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katlin95

  • 2 years ago

__________, which compares an object’s mass to its volume, is an important characteristic property of all substances. A. Volume B. Length C. Density D. Gravity

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  1. jim_thompson5910
    • 2 years ago
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    what did you get

  2. katlin95
    • 2 years ago
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    I got density

  3. jim_thompson5910
    • 2 years ago
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    that is correct density = mass/volume

  4. katlin95
    • 2 years ago
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    yaya!!! I have another question

  5. katlin95
    • 2 years ago
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    write 6.3 · 10-5 as a number A. 0.063 B. 0.0063 C. 0.000063 D. 0.00063 Wouldnt it be C??

  6. jim_thompson5910
    • 2 years ago
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    yep, move the decimal 5 spots to the left

  7. katlin95
    • 2 years ago
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    can u try your best to correct my questions?

  8. jim_thompson5910
    • 2 years ago
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    what kind of questions, science?

  9. katlin95
    • 2 years ago
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    yep, easy question

  10. jim_thompson5910
    • 2 years ago
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    ok it'll depend, but i'll give it my best shot

  11. katlin95
    • 2 years ago
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    okay thanks!!:)

  12. katlin95
    • 2 years ago
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    How do an astronaut mass and weight on the earth compare to those on the moon? A. mass and weight are both different B. mass and weight are both the same C. mass is different weight is the same D. mass is the same, weight is different

  13. jim_thompson5910
    • 2 years ago
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    what did you get

  14. katlin95
    • 2 years ago
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    got C

  15. jim_thompson5910
    • 2 years ago
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    you have it flipped, mass would stay the same (they don't lose any particles of mass), but the weight would be different

  16. jim_thompson5910
    • 2 years ago
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    since the force of gravity on the moon is smaller

  17. katlin95
    • 2 years ago
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    oh gotchya!

  18. katlin95
    • 2 years ago
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    which of the following describes the correct way to handle a test tube that is being heated in science lab? A. light a match above the test tube to test wheather the released gas is flammable B. move the test tube below your nose so you can easily observe the released gas C. point the container away from yourself and your lab partners to avoid injury D. point the container toward yourself so that others wont be affected by the chemicals

  19. katlin95
    • 2 years ago
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    I got B

  20. jim_thompson5910
    • 2 years ago
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    hmm unless you know what the gas is (and if it's not toxic), then B would be fine

  21. jim_thompson5910
    • 2 years ago
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    but most of the time you don't know the gas and if it's toxic or not

  22. jim_thompson5910
    • 2 years ago
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    A is just stupid and will most likely lead to a fire

  23. katlin95
    • 2 years ago
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    its C

  24. jim_thompson5910
    • 2 years ago
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    yep, D is just as stupid too when you can do C

  25. katlin95
    • 2 years ago
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    yep lol

  26. katlin95
    • 2 years ago
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    write 7,200,000,000 in scientific notation A. 7.2*10^8 B. 7.2*10^7 C. 7.2*10^10 D. 7.2*10^9

  27. jim_thompson5910
    • 2 years ago
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    you got ???

  28. katlin95
    • 2 years ago
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    I got D

  29. jim_thompson5910
    • 2 years ago
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    me too, it's 7.2 billion

  30. katlin95
    • 2 years ago
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    write 9.4*10^-2 as a number A. 0.094 B.0.94 C. 9.4 D. 0.0094

  31. katlin95
    • 2 years ago
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    I got D

  32. jim_thompson5910
    • 2 years ago
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    move the decimal 2 spots to the left

  33. katlin95
    • 2 years ago
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    oh A right?

  34. jim_thompson5910
    • 2 years ago
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    yep

  35. katlin95
    • 2 years ago
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    if you accidently mixed two different liquids in an expiriment and found that the mixture was bubbling, what should you do? A. observe and record what happens next B. pour the mixture imedietly into a nearby sink C. report it to the teacher immedietly D. write it your loabrotory report under the conclusions section

  36. katlin95
    • 2 years ago
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    wouldnt it be either A or C?

  37. jim_thompson5910
    • 2 years ago
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    probably C since it could be hazardous, but you don't know

  38. jim_thompson5910
    • 2 years ago
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    better be safe than sorry

  39. katlin95
    • 2 years ago
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    yes thats very true lol!

  40. jim_thompson5910
    • 2 years ago
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    it definitely wouldn't be B because you could be pouring toxic chemicals down the drain which would end up in a local river or stream

  41. jim_thompson5910
    • 2 years ago
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    or the ocean

  42. katlin95
    • 2 years ago
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    in significant figures, which zeros are NOT considered significant? A. zeros before a digit, but after a decimal B. zeros between two non-zero numbers C. zeros in a whole number before a stated decimal D. zeros in a whole number before an implied decimal I think its A

  43. katlin95
    • 2 years ago
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    or B

  44. jim_thompson5910
    • 2 years ago
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    either A or D I think

  45. katlin95
    • 2 years ago
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    hmm which one should we choose then?

  46. jim_thompson5910
    • 2 years ago
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    something like 0.000000501 has 3 sig figs (5, 0, 1) because the zeros in front aren't counted

  47. jim_thompson5910
    • 2 years ago
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    something like 7,000,000 has only 1 sig fig

  48. jim_thompson5910
    • 2 years ago
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    but if you said 7,000,000.0, then it would have 7 sig figs

  49. katlin95
    • 2 years ago
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    so then we should pick A right?

  50. jim_thompson5910
    • 2 years ago
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    D could be lumped together with C somehow, not sure though

  51. jim_thompson5910
    • 2 years ago
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    so I would think D is partially true, which means we can eliminate it

  52. jim_thompson5910
    • 2 years ago
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    so yeah, A

  53. katlin95
    • 2 years ago
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    which one of the following is true about scientific throry and scientific law? A. a scientific law can be changed, while a theory is absolute B. a scientific theory can be changed, while a scientific law is absolute C. Both scientific law and scientific theory are absolute and cannot be challenged D. both scientific laaw and scientific theory can be challenged

  54. katlin95
    • 2 years ago
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    I got A

  55. jim_thompson5910
    • 2 years ago
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    you sure?

  56. katlin95
    • 2 years ago
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    actually I think they both can be absolute but not chalanged

  57. katlin95
    • 2 years ago
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    what do you think I got C for my answer now

  58. jim_thompson5910
    • 2 years ago
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    I would think that a law is absolute, but a theory can be challenged

  59. jim_thompson5910
    • 2 years ago
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    if it couldn't be challenged, then it would be perfect and there wouldn't be any flaws

  60. katlin95
    • 2 years ago
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    oh alright, so then B would be a reliable answer?

  61. jim_thompson5910
    • 2 years ago
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    yeah B sounds better

  62. katlin95
    • 2 years ago
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    what does a centi represent? A. 10^-3 B. 10^-2 C. 10^2 D. 10^3

  63. Grazes
    • 2 years ago
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    B. 10^-2

  64. jim_thompson5910
    • 2 years ago
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    centi = one-hundredth

  65. katlin95
    • 2 years ago
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    hey jim sorry my computer died

  66. katlin95
    • 2 years ago
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    u still here

  67. jim_thompson5910
    • 2 years ago
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    that's ok

  68. katlin95
    • 2 years ago
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    I got b for the last question about the centi

  69. jim_thompson5910
    • 2 years ago
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    yes that's correct

  70. katlin95
    • 2 years ago
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    how many millimeters are in 1.6 liters?

  71. jim_thompson5910
    • 2 years ago
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    you mean milliliters?

  72. katlin95
    • 2 years ago
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    1,600 right? and yep:)

  73. jim_thompson5910
    • 2 years ago
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    not millimeters

  74. jim_thompson5910
    • 2 years ago
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    yeah 1600 mL

  75. katlin95
    • 2 years ago
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    is the mass of the force if gravity on an object? A. volume C. mass C. matter D. weight

  76. jim_thompson5910
    • 2 years ago
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    what did you get

  77. katlin95
    • 2 years ago
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    I got weight

  78. jim_thompson5910
    • 2 years ago
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    good

  79. katlin95
    • 2 years ago
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    is that correct?

  80. jim_thompson5910
    • 2 years ago
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    yes

  81. katlin95
    • 2 years ago
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    what is the base unit for mass in the international system of units (si) A. gram B. kilogram C. ounce D. pound I got a kilogram

  82. jim_thompson5910
    • 2 years ago
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    right again

  83. katlin95
    • 2 years ago
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    Which of the following is equivalent to 16mL? A.16cm^3 B.16 gallons c.16 liters D. 16m^3

  84. katlin95
    • 2 years ago
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    I got A

  85. jim_thompson5910
    • 2 years ago
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    me too

  86. katlin95
    • 2 years ago
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    which of the following is a temperature represented in metric system scale? A. 4mL B. 30 degree C C. 68 k D. 85 degrees F

  87. katlin95
    • 2 years ago
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    I got B

  88. jim_thompson5910
    • 2 years ago
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    correct

  89. katlin95
    • 2 years ago
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    write 0.72 in scientific notation I got 7.2*10^-1

  90. jim_thompson5910
    • 2 years ago
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    good

  91. jim_thompson5910
    • 2 years ago
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    you're on a roll

  92. katlin95
    • 2 years ago
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    thanks! write 9.4*10^5 as a number A. 940,000 B. 9,400 C. 94,000 D. 9,400,000

  93. jim_thompson5910
    • 2 years ago
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    you got what

  94. katlin95
    • 2 years ago
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    I got C as my answer

  95. katlin95
    • 2 years ago
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    @jim_thompson5910 were did ya g? lol

  96. jim_thompson5910
    • 2 years ago
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    C is wrong

  97. jim_thompson5910
    • 2 years ago
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    sry the site is glitching on me

  98. jim_thompson5910
    • 2 years ago
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    and going slow too

  99. katlin95
    • 2 years ago
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    hey u their?

  100. katlin95
    • 2 years ago
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    @jim_thompson5910

  101. jim_thompson5910
    • 2 years ago
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    yeah

  102. katlin95
    • 2 years ago
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    if cathys height is 66 inches, what is her height in centimeters equality statment 1 in=2.54 cm A. 10.23 cm B. 25.98 cm C. 167.64 cm D. 425.81 cm

  103. katlin95
    • 2 years ago
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    I got B

  104. jim_thompson5910
    • 2 years ago
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    you multiply by 2.54, not divide

  105. katlin95
    • 2 years ago
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    167.64

  106. katlin95
    • 2 years ago
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    in what way does science helps us to catagorize the world? A. chemically B. effortlessly C. emotionally D. physically

  107. katlin95
    • 2 years ago
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    I think its D

  108. jim_thompson5910
    • 2 years ago
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    D sounds right, but it might be A

  109. jim_thompson5910
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    D sounds like a better fit though

  110. katlin95
    • 2 years ago
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    write 9.4*10^5 as a number A. 940,000 B. 9,400 C. 94,000 D. 9,400,000

  111. katlin95
    • 2 years ago
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    is it b?

  112. jim_thompson5910
    • 2 years ago
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    no

  113. jim_thompson5910
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    B would be 9.4*10^3

  114. katlin95
    • 2 years ago
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    D?

  115. katlin95
    • 2 years ago
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    ?

  116. jim_thompson5910
    • 2 years ago
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    you would move the decimal point 5 spots to the right

  117. katlin95
    • 2 years ago
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    ohhh lol then A

  118. katlin95
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    right?

  119. jim_thompson5910
    • 2 years ago
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    yes

  120. katlin95
    • 2 years ago
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    thanks fer yer help:)!!

  121. jim_thompson5910
    • 2 years ago
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    yw

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