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Easy One

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Easy One

by simplythebest » Wed Jun 06, 2007 2:24 am
The value of (9×10^7)(9×10^8) is closest to which of the following?
A. 10^16 B. 10^17 C. 10^56 D. 10^57 E. 10^58
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Re: Easy One

by jayhawk2001 » Wed Jun 06, 2007 6:17 am
simplythebest wrote:The value of (9×10^7)(9×10^8 ) is closest to which of the following?
A. 10^16 B. 10^17 C. 10^56 D. 10^57 E. 10^58
9*10^7 * 9*10^8 = 81 * 10^15 ~ 10^17

B
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