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March 29, 2017

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2. What answer represents this number in scientific notation?
0.00000916

a. 916 x 10^-8
b. 9.16 x 10^-6
c. 916 x 10^8
d. 9.16 x 10^6

3. What is this number in standard form?
6.8 x 10^-4

a. 5,750,000,000
b. 575,000,000,000
c. 0.00000000575
d. 0.575000000000

5. What is this number in standard form?
5.2 x 10^8

a. 0.000000052
b. 0.0000000052
c. 520,000,000
5,200,000,000


plz help me

  • Hard Math :( - ,

    in scientific notation, the leading value n is always 1.0 <= n < 10.0

    2b
    3? no relation between 6.8 and choices
    5c

  • Hard Math :( - ,

    then wat is 3

  • Hard Math :( - ,

    no idea. Reread the problems. I figure you have mixed up #3 and #4, since the numbers are totally different.

    to get your own answer, just move the decimal place 4 spots to the right:

    6.8x10^0 = 6.8
    6.8x10^-1 = 0.68
    6.8x10^-2 = 0.068
    . . .

  • Hard Math :( - ,

    The answer for 3 is 0.00068. That isn't one of the choices so there is a typo or someone goofed when they wrote the problem.

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