anonymous
  • anonymous
__________, 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
Mathematics
jamiebookeater
  • jamiebookeater
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jim_thompson5910
  • jim_thompson5910
what did you get
anonymous
  • anonymous
I got density
jim_thompson5910
  • jim_thompson5910
that is correct density = mass/volume

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anonymous
  • anonymous
yaya!!! I have another question
anonymous
  • anonymous
write 6.3 · 10-5 as a number A. 0.063 B. 0.0063 C. 0.000063 D. 0.00063 Wouldnt it be C??
jim_thompson5910
  • jim_thompson5910
yep, move the decimal 5 spots to the left
anonymous
  • anonymous
can u try your best to correct my questions?
jim_thompson5910
  • jim_thompson5910
what kind of questions, science?
anonymous
  • anonymous
yep, easy question
jim_thompson5910
  • jim_thompson5910
ok it'll depend, but i'll give it my best shot
anonymous
  • anonymous
okay thanks!!:)
anonymous
  • anonymous
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
jim_thompson5910
  • jim_thompson5910
what did you get
anonymous
  • anonymous
got C
jim_thompson5910
  • jim_thompson5910
you have it flipped, mass would stay the same (they don't lose any particles of mass), but the weight would be different
jim_thompson5910
  • jim_thompson5910
since the force of gravity on the moon is smaller
anonymous
  • anonymous
oh gotchya!
anonymous
  • anonymous
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
anonymous
  • anonymous
I got B
jim_thompson5910
  • jim_thompson5910
hmm unless you know what the gas is (and if it's not toxic), then B would be fine
jim_thompson5910
  • jim_thompson5910
but most of the time you don't know the gas and if it's toxic or not
jim_thompson5910
  • jim_thompson5910
A is just stupid and will most likely lead to a fire
anonymous
  • anonymous
its C
jim_thompson5910
  • jim_thompson5910
yep, D is just as stupid too when you can do C
anonymous
  • anonymous
yep lol
anonymous
  • anonymous
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
jim_thompson5910
  • jim_thompson5910
you got ???
anonymous
  • anonymous
I got D
jim_thompson5910
  • jim_thompson5910
me too, it's 7.2 billion
anonymous
  • anonymous
write 9.4*10^-2 as a number A. 0.094 B.0.94 C. 9.4 D. 0.0094
anonymous
  • anonymous
I got D
jim_thompson5910
  • jim_thompson5910
move the decimal 2 spots to the left
anonymous
  • anonymous
oh A right?
jim_thompson5910
  • jim_thompson5910
yep
anonymous
  • anonymous
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
anonymous
  • anonymous
wouldnt it be either A or C?
jim_thompson5910
  • jim_thompson5910
probably C since it could be hazardous, but you don't know
jim_thompson5910
  • jim_thompson5910
better be safe than sorry
anonymous
  • anonymous
yes thats very true lol!
jim_thompson5910
  • jim_thompson5910
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
jim_thompson5910
  • jim_thompson5910
or the ocean
anonymous
  • anonymous
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
anonymous
  • anonymous
or B
jim_thompson5910
  • jim_thompson5910
either A or D I think
anonymous
  • anonymous
hmm which one should we choose then?
jim_thompson5910
  • jim_thompson5910
something like 0.000000501 has 3 sig figs (5, 0, 1) because the zeros in front aren't counted
jim_thompson5910
  • jim_thompson5910
something like 7,000,000 has only 1 sig fig
jim_thompson5910
  • jim_thompson5910
but if you said 7,000,000.0, then it would have 7 sig figs
anonymous
  • anonymous
so then we should pick A right?
jim_thompson5910
  • jim_thompson5910
D could be lumped together with C somehow, not sure though
jim_thompson5910
  • jim_thompson5910
so I would think D is partially true, which means we can eliminate it
jim_thompson5910
  • jim_thompson5910
so yeah, A
anonymous
  • anonymous
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
anonymous
  • anonymous
I got A
jim_thompson5910
  • jim_thompson5910
you sure?
anonymous
  • anonymous
actually I think they both can be absolute but not chalanged
anonymous
  • anonymous
what do you think I got C for my answer now
jim_thompson5910
  • jim_thompson5910
I would think that a law is absolute, but a theory can be challenged
jim_thompson5910
  • jim_thompson5910
if it couldn't be challenged, then it would be perfect and there wouldn't be any flaws
anonymous
  • anonymous
oh alright, so then B would be a reliable answer?
jim_thompson5910
  • jim_thompson5910
yeah B sounds better
anonymous
  • anonymous
what does a centi represent? A. 10^-3 B. 10^-2 C. 10^2 D. 10^3
anonymous
  • anonymous
B. 10^-2
jim_thompson5910
  • jim_thompson5910
centi = one-hundredth
anonymous
  • anonymous
hey jim sorry my computer died
anonymous
  • anonymous
u still here
jim_thompson5910
  • jim_thompson5910
that's ok
anonymous
  • anonymous
I got b for the last question about the centi
jim_thompson5910
  • jim_thompson5910
yes that's correct
anonymous
  • anonymous
how many millimeters are in 1.6 liters?
jim_thompson5910
  • jim_thompson5910
you mean milliliters?
anonymous
  • anonymous
1,600 right? and yep:)
jim_thompson5910
  • jim_thompson5910
not millimeters
jim_thompson5910
  • jim_thompson5910
yeah 1600 mL
anonymous
  • anonymous
is the mass of the force if gravity on an object? A. volume C. mass C. matter D. weight
jim_thompson5910
  • jim_thompson5910
what did you get
anonymous
  • anonymous
I got weight
jim_thompson5910
  • jim_thompson5910
good
anonymous
  • anonymous
is that correct?
jim_thompson5910
  • jim_thompson5910
yes
anonymous
  • anonymous
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
jim_thompson5910
  • jim_thompson5910
right again
anonymous
  • anonymous
Which of the following is equivalent to 16mL? A.16cm^3 B.16 gallons c.16 liters D. 16m^3
anonymous
  • anonymous
I got A
jim_thompson5910
  • jim_thompson5910
me too
anonymous
  • anonymous
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
anonymous
  • anonymous
I got B
jim_thompson5910
  • jim_thompson5910
correct
anonymous
  • anonymous
write 0.72 in scientific notation I got 7.2*10^-1
jim_thompson5910
  • jim_thompson5910
good
jim_thompson5910
  • jim_thompson5910
you're on a roll
anonymous
  • anonymous
thanks! write 9.4*10^5 as a number A. 940,000 B. 9,400 C. 94,000 D. 9,400,000
jim_thompson5910
  • jim_thompson5910
you got what
anonymous
  • anonymous
I got C as my answer
anonymous
  • anonymous
@jim_thompson5910 were did ya g? lol
jim_thompson5910
  • jim_thompson5910
C is wrong
jim_thompson5910
  • jim_thompson5910
sry the site is glitching on me
jim_thompson5910
  • jim_thompson5910
and going slow too
anonymous
  • anonymous
hey u their?
anonymous
  • anonymous
@jim_thompson5910
jim_thompson5910
  • jim_thompson5910
yeah
anonymous
  • anonymous
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
anonymous
  • anonymous
I got B
jim_thompson5910
  • jim_thompson5910
you multiply by 2.54, not divide
anonymous
  • anonymous
167.64
anonymous
  • anonymous
in what way does science helps us to catagorize the world? A. chemically B. effortlessly C. emotionally D. physically
anonymous
  • anonymous
I think its D
jim_thompson5910
  • jim_thompson5910
D sounds right, but it might be A
jim_thompson5910
  • jim_thompson5910
D sounds like a better fit though
anonymous
  • anonymous
write 9.4*10^5 as a number A. 940,000 B. 9,400 C. 94,000 D. 9,400,000
anonymous
  • anonymous
is it b?
jim_thompson5910
  • jim_thompson5910
no
jim_thompson5910
  • jim_thompson5910
B would be 9.4*10^3
anonymous
  • anonymous
D?
anonymous
  • anonymous
?
jim_thompson5910
  • jim_thompson5910
you would move the decimal point 5 spots to the right
anonymous
  • anonymous
ohhh lol then A
anonymous
  • anonymous
right?
jim_thompson5910
  • jim_thompson5910
yes
anonymous
  • anonymous
thanks fer yer help:)!!
jim_thompson5910
  • jim_thompson5910
yw

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