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is3535

  • one year ago

help very hard

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  1. ali2x2
    • one year ago
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    Ill see what i can do for you mr. Ananymous

  2. ali2x2
    • one year ago
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    I dont see what you typed...

  3. is3535
    • one year ago
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    |dw:1442370906435:dw|

  4. is3535
    • one year ago
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    2X10^21/8X10^3

  5. ali2x2
    • one year ago
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    I still cant see... Type it out or take a screenshot and put it at-

  6. ali2x2
    • one year ago
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    ok

  7. is3535
    • one year ago
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    2X10^21/8X10^3

  8. ali2x2
    • one year ago
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    2.5e+23

  9. is3535
    • one year ago
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    what

  10. is3535
    • one year ago
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    @paki

  11. is3535
    • one year ago
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    i think 2.5x10^17

  12. imqwerty
    • one year ago
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    hey this is for u try this - http://www.cymath.com/ :)

  13. freckles
    • one year ago
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    http://openstudy.com/users/is3535#/updates/55f71131e4b0a91f39319d62

  14. freckles
    • one year ago
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    You asked this same question before.

  15. imqwerty
    • one year ago
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    lol ahahaha :D

  16. is3535
    • one year ago
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    2.5 x 10^17 is my answer

  17. freckles
    • one year ago
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    yes that is what we got previously on that thread

  18. freckles
    • one year ago
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    like did you have a question about the work or something?

  19. is3535
    • one year ago
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    i need help in one more can you help me

  20. freckles
    • one year ago
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    ok

  21. freckles
    • one year ago
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    \[(A \cdot 10^{n}) \times (B \cdot 10^{m}) \text{ do } (A \cdot B) \times (10^{n+m})\]

  22. freckles
    • one year ago
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    you may have to adjust to write in scientific notation

  23. is3535
    • one year ago
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    (4.5x10^-8)(6x10x-4)

  24. freckles
    • one year ago
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    can you try what I suggested above

  25. freckles
    • one year ago
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    we will have to make an adjustment after that first step

  26. is3535
    • one year ago
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    |dw:1442371710637:dw|

  27. freckles
    • one year ago
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    \[(4.5 \times 10^{-8})(6 \times 10^{-4}) \\ =(4.5 \cdot 6) \times 10^{-8-4} \\ =?\]

  28. is3535
    • one year ago
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    -8 + -4 =-12

  29. freckles
    • one year ago
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    we still have one more step after this and I hope you see why after perfoming the multiplication 4.5 times 6

  30. freckles
    • one year ago
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    yes that one exponent is -12

  31. is3535
    • one year ago
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    so 2.7x10^-12 is my answer

  32. freckles
    • one year ago
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    isn't 4.5 times 6, 27 not 2.7 ?

  33. is3535
    • one year ago
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    it can be 32

  34. freckles
    • one year ago
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    wait!

  35. freckles
    • one year ago
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    what?

  36. is3535
    • one year ago
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    ok

  37. freckles
    • one year ago
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    4.5 times 6 is not 32

  38. freckles
    • one year ago
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    |dw:1442379248330:dw|

  39. is3535
    • one year ago
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    27

  40. freckles
    • one year ago
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    \[27 \times 10^{-12}\] you have to make an adjustment to write in scientific notation

  41. freckles
    • one year ago
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    \[\text{ hint : } 27 =2.7 \times 10\]

  42. is3535
    • one year ago
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    = 27

  43. freckles
    • one year ago
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    2.7 times 10 is 27 is what I said is the hint use this hint to write our answer in scientific notation

  44. is3535
    • one year ago
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    13

  45. freckles
    • one year ago
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    \[27 \times 10^{-12} \\ 2.7 \times 10 \cdot 10^{-12} \\ =?\]

  46. is3535
    • one year ago
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    i said 13

  47. freckles
    • one year ago
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    but 1-12 isn't 13

  48. is3535
    • one year ago
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    11

  49. freckles
    • one year ago
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    or 1+(-12) which is the same as 1-12

  50. freckles
    • one year ago
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    well isn't 11 either

  51. freckles
    • one year ago
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    1+(-12)=1-12=-(12-1)=-(11)=-11

  52. is3535
    • one year ago
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    2.7x10^-11 i got

  53. freckles
    • one year ago
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    \[(4.5 \times 10^{-8})(6 \times 10^{-4}) \\ (4.5 \cdot 6) \times 10^{-8+(-4)} \\ 27 \times 10^{-12} \\ (2.7 \cdot 10) \times 10^{-12} \\ 2.7 \times (10 \cdot 10^{-12}) \\ 2.7 \times 10^{1+(-12)} \\ 2.7 \times 10^{-11}\]

  54. is3535
    • one year ago
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    2.7x10^-11 is my answer

  55. is3535
    • one year ago
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    say yes

  56. freckles
    • one year ago
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    lol I already said I got 2.7 times 10^(-11)

  57. freckles
    • one year ago
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    above

  58. freckles
    • one year ago
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    do you see my work?

  59. freckles
    • one year ago
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    or is it not showing?

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is replying to Can someone tell me what button the professor is hitting...

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