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sissyedgar

  • one year ago

Question Below!!! @misty1212

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  1. sissyedgar
    • one year ago
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    :)

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  2. misty1212
    • one year ago
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    lol i totally answered this before!

  3. sissyedgar
    • one year ago
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    you did? o, i lost it! :P

  4. misty1212
    • one year ago
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    one mile is 63360 inches so one inch is \(\frac{1}{63360}\) miles lets put in in a calculator and then write it in scientific notation

  5. misty1212
    • one year ago
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    http://www.wolframalpha.com/input/?i=1%2F63360

  6. sissyedgar
    • one year ago
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    Its not in scientific notation tho

  7. misty1212
    • one year ago
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    \[0.00001578\] in scientific notation \[\huge 1.578\times 10^{-5}\]

  8. sissyedgar
    • one year ago
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    o, lml

  9. misty1212
    • one year ago
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    i moved the decimal and counted the spaces since it went left, the exponent is negative

  10. misty1212
    • one year ago
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    i mean right

  11. sissyedgar
    • one year ago
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    right

  12. misty1212
    • one year ago
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    that is the answer to question one

  13. misty1212
    • one year ago
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    ready for part two?

  14. sissyedgar
    • one year ago
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    not yet, i have to take away what I had for one then put in whats rite! :P

  15. misty1212
    • one year ago
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    kk

  16. misty1212
    • one year ago
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    take your time and hurry up

  17. sissyedgar
    • one year ago
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    ok! lol, i done

  18. misty1212
    • one year ago
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    ok ready?

  19. sissyedgar
    • one year ago
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    yes ma'am!

  20. misty1212
    • one year ago
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    deposit another quarter

  21. misty1212
    • one year ago
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    for the next one we have to divide

  22. sissyedgar
    • one year ago
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    quick question

  23. misty1212
    • one year ago
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    \[\huge \frac{2.5\times 10^4}{1.578\times 10^{-5}}\]

  24. misty1212
    • one year ago
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    ok

  25. sissyedgar
    • one year ago
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    did we round the 1st to the nearest 10th?

  26. misty1212
    • one year ago
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    we rounded a bit, perhaps we should round some more

  27. misty1212
    • one year ago
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    we can't really round to the nearest tenth, i think that is a typo our number had a zero in the tenths place

  28. sissyedgar
    • one year ago
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    ooo, ok

  29. misty1212
    • one year ago
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    maybe they meant round this \[\huge 1.578\times 10^{-5}\] to this \[\huge 1.6\times 10^{-5}\]

  30. misty1212
    • one year ago
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    that would make life easier

  31. sissyedgar
    • one year ago
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    mkay

  32. sissyedgar
    • one year ago
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    lol

  33. misty1212
    • one year ago
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    then the second question we can do \[\frac{2.5\times10^4}{1.6\times 10^{-5}}\]

  34. misty1212
    • one year ago
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    \[2.5\div 1.6=1.5625\] and \[\frac{10^4}{10^{-5}}=10^{4-(-5)}=10^9\]

  35. misty1212
    • one year ago
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    so we have \[1.5625\times 10^9\] as our answer again maybe you should round or you can leave it like that

  36. sissyedgar
    • one year ago
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    lets round... it said round again

  37. sissyedgar
    • one year ago
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    1.6 x 10^9

  38. sissyedgar
    • one year ago
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    right?

  39. misty1212
    • one year ago
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    ok

  40. misty1212
    • one year ago
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    that is the answer to number 2

  41. misty1212
    • one year ago
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    a billion has 9 zeros

  42. sissyedgar
    • one year ago
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    okay... 1 more! YESS! :P

  43. misty1212
    • one year ago
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    so 7.046 billion is \(7.046\times 10^9\) that is bigger than \(1.6\times 10^9\)

  44. misty1212
    • one year ago
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    oh wait i misread the question sorry

  45. sissyedgar
    • one year ago
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    rite

  46. sissyedgar
    • one year ago
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    o, ok, lol

  47. misty1212
    • one year ago
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    last job it so divide again \[\frac{7.046\times 10^9}{1.6\times 10^9}\]

  48. misty1212
    • one year ago
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    about \(4.4\)

  49. misty1212
    • one year ago
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    and now we are done!!

  50. sissyedgar
    • one year ago
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    o, oky! TY MISTY!!!!!!!!!!!!! I wont loose it this time, i wrote it as u did! :P ~Hugz~

  51. misty1212
    • one year ago
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    \[\huge \color\magenta\heartsuit\]

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