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PS. N

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Senior Manager
Joined: 07 Jan 2008
Posts: 398

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23 Jun 2008, 10:21
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Intern
Joined: 30 Jul 2007
Posts: 35

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23 Jun 2008, 11:11
lexis wrote:

E.

I choose 2, and double checked with 3 if it made sense to:

A) 2^2 =! 2

B) 2^2/4 = 1 (odd), and 3^3/4 is a fraction

C) (2)(2^2) = 8 (positive), a prime number can't be negative

D) 2^2 + 2^3 =! 2^5

E) 2^2/4 = 1^2-1 (yes)

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Re: PS. N   [#permalink] 23 Jun 2008, 11:11
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