what is the value? : GMAT Quantitative Section
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what is the value?

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what is the value? [#permalink]

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New post 19 Dec 2010, 07:17
5^-5 - 5^-12 = ?

how do we interpret negative exponents in this case?
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Re: what is the value? [#permalink]

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New post 19 Dec 2010, 07:28
Re: what is the value?   [#permalink] 19 Dec 2010, 07:28
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