Posted by Devon on Tuesday, December 16, 2008 at 1:19am.
convert the number to scientific notation.
.0000000009

Math  Reiny, Tuesday, December 16, 2008 at 1:27am
In scientific notation, the decimal place is always after the first significant figure, in this case the 9
count the number of places you would have to move the decimal, that becomes your exponent of 10
so 9.0 x 10^10

Math  bryan, Tuesday, December 16, 2008 at 1:30am
90,000,000,000

Math  gr, Tuesday, December 16, 2008 at 1:33am
You move decimal place after first significant figure and number of places you move does become your exponent but when you move right, exponent is negative and when you move left exponent is positive. Since in this case we are moving decimal to right by 10 places the exponent will be 10. Hence scientific notation would be 9.0*10^10

Math  bryan, Tuesday, December 16, 2008 at 1:35am
is this correct?

Math  Anonymous, Tuesday, December 16, 2008 at 1:41am
90,000,000,000??

Math  Anonymous, Tuesday, December 16, 2008 at 1:41am
seems right

Math  Damon, Tuesday, December 16, 2008 at 4:26am
gr has it right
9 * 10^10

Thanks Damon & gr  Reiny, Tuesday, December 16, 2008 at 9:08am
Thanks to both of you for correcting my blatant typing error.
Perhaps I shouldn't attempt to answer questions at 1:30 A.M. anymore, lol
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