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0^0 [#permalink] New post 06 Apr 2010, 08:45
Can anyone tell me what is 0^0 for the GMAT?

Thanks
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Re: 0^0 [#permalink] New post 06 Apr 2010, 08:48
Good question. I thought it is 1. But not for sure. I will wait for other answers.
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Re: 0^0 [#permalink] New post 06 Apr 2010, 08:51
I might be wrong, but I think I remember reading that the GMAT stays away from 0^0.
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Re: 0^0 [#permalink] New post 06 Apr 2010, 13:23
Expert's post
jgras wrote:
Can anyone tell me what is 0^0 for the GMAT?

Thanks


0^0, in some sources equals to 1, some mathematicians say it's undefined. You won't need this for GMAT.

During the past decade, mathematicians argued extensively about the value of 0^0. Some answer that 0^0 = 1, while others answer that 0^0 is undefined. In the unlikely event that this question appears in some format or is a required intermediary calculation, the correct answer is more likely that 0^0 = 1.
http://www.platinumgmat.com/gmat_study_ ... ial_powers

and:
Note: the case of 0^0 is not tested on the GMAT.
http://www.manhattangmat.com/np-exponents.cfm

Hope it helps.
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Re: 0^0 [#permalink] New post 08 Mar 2012, 18:37
So what about the structure x^y in a data sufficiency problem?

How would we consider the possibility of x and y being 0?
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Re: 0^0 [#permalink] New post 09 Mar 2012, 00:16
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bschoolnewbie2011 wrote:
So what about the structure x^y in a data sufficiency problem?

How would we consider the possibility of x and y being 0?


At least one of x and y would be given non-zero. Since GMAT doesn't test it, they will ensure that you don't have to take a call on the value of 0^0.
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Re: 0^0 [#permalink] New post 13 Mar 2012, 12:29
Technically 0^0 is 1.... Not sure gmat wise though. I had the same question with 0 times 0 which is in gmat terms = to 0, but I think its more complicated than that.
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Re: 0^0 [#permalink] New post 13 Mar 2012, 12:34
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transfer9858 wrote:
Technically 0^0 is 1.... Not sure gmat wise though. I had the same question with 0 times 0 which is in gmat terms = to 0, but I think its more complicated than that.


The case of 0^0 is not tested on the GMAT.

0*0=0.
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Re: 0^0 [#permalink] New post 25 May 2012, 03:50
Hi,

Consider the following equation,
a^m/a^n = a^(m-n)
we say a^0 = 1, 'casuse a^0 = a/a |a|>0
so, 0^0 would take form of 0/0, which is not defined.

Also, please note that infinity and not defined (nd) are to different terms.

1/0 = infinity
(infinity x 0), (0/0) etc. are not defined.

Anyways, no one has to worry about n.d. forms as they are out of scope for GMAT.
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Re: 0^0   [#permalink] 25 May 2012, 03:50
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