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# 2^(4-1)^2)/2 =? How one interpret first term 2^x or

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Senior Manager
Joined: 01 Oct 2006
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2^(4-1)^2)/2 =? How one interpret first term 2^x or [#permalink]

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29 Oct 2006, 07:07
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(2^(4-1)^2)/2 =?

How one interpret first term

2^x or (2^x)^y

Kindly let me know

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SVP
Joined: 01 May 2006
Posts: 1794

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29 Oct 2006, 09:58
Well, I believe the equation to be of the kind of 2^x where x = (4-1)^2. Otherwise, I think that the equation would be written like this : ([2^(4-1)]^2)/2

(2^(4-1)^2)/2
= (2^9)/2
= 2^8

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Senior Manager
Joined: 01 Oct 2006
Posts: 493

Kudos [?]: 41 [0], given: 0

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29 Oct 2006, 10:36
That explains it..
Thnaks a lot Fig..got this one wrong on Gmat prep

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Senior Manager
Joined: 13 Sep 2006
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Location: New York

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30 Oct 2006, 16:11
Fig - would you mind reviewing this rule. Wouldn't something like 2^3^2 = 2^6? How do you know when do this instead of the original question?

Thanks
_________________

"Never let the fear of striking out get in your wayâ€

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30 Oct 2006, 16:11
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