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If d= 2^54 and d^d = 2^p what is the value of p?

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by Acidclown » Fri Mar 06, 2009 12:31 pm
Dear all GMATers this is my first post, so I apologise in advance for any mistakes in the posting.

I've found myself with this question in a test that I have done and I am having difficulties in resolving it.

If d= 2^54 and d^d = 2^p what is the value of p?

A. 64

B. 70

C. 2^54

D. 2^70

E. 128

D

Thanking you all in advance for your help.
Regards
Acid
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Re: If d= 2^54 and d^d = 2^p what is the value of p?

by Brent@GMATPrepNow » Fri Mar 06, 2009 1:25 pm
Acidclown wrote:Dear all GMATers this is my first post, so I apologise in advance for any mistakes in the posting.

I've found myself with this question in a test that I have done and I am having difficulties in resolving it.

If d= 2^54 and d^d = 2^p what is the value of p?

A. 64

B. 70

C. 2^54

D. 2^70

E. 128

D

Thanking you all in advance for your help.
Regards
Acid
If the answer is D, then I believe you miswrote the question.
It should read "If d= 2^64 and d^d = 2^p what is the value of p?"

My solution:

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Thank you

by Acidclown » Sat Mar 07, 2009 3:15 am
Thanks Brent for the answer, apologies for the error.

Need to go over my power laws :?
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