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exponents, what am I doing wrong...

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Intern
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exponents, what am I doing wrong... [#permalink] New post 02 Mar 2007, 08:42
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

this was taken from GMAT prep:

2^((4-1)^2)/2^(3-2)


My wrong solution:

2^6/2^1 = 2^5
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Re: exponents, what am I doing wrong... [#permalink] New post 02 Mar 2007, 08:47
Stormgal wrote:
this was taken from GMAT prep:

2^((4-1)^2)/2^(3-2)


My wrong solution:

2^6/2^1 = 2^5



= (2^9)/(2^1) = 2^(9-1) = 2^8

your solution is the answer to the following:
(2^(4-1))^2) / 2^(3-2)
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 [#permalink] New post 02 Mar 2007, 10:13
thanks, ugh, I made such a simple mistake...
  [#permalink] 02 Mar 2007, 10:13
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