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Posted by **maryam** on Monday, October 17, 2011 at 8:54pm.

1 billion=10^___

1/10 = 10^___

13^5 in standard notation

10^9 in standard notation

please hellp me answer tese questions

- MATH -
**Steve**, Tuesday, October 18, 2011 at 12:34amDo a little investigation and you'll see the pattern

10^0 = 1

10^-1 = 1/10 = 0.1

10^-2 = 1/100 = 0.01

...

a billion is a thousand million = 10^3 * 10^6 = 10^9

I think you meant 10^5 -- that would be a 1 with 5 zeros = 10000

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