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Source: — Data Sufficiency |

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by Brent@GMATPrepNow » Sat Apr 16, 2016 6:50 am
What is the source of the questions you have posted?
I ask because I don't believe the GMAT would use the term "natural number"
I say this because not everyone agrees on the definition of natural numbers (some include 0 and others don't).
More here: https://en.wikipedia.org/wiki/Natural_number

Also, the term "natural number" appears nowhere in the Official Guide.

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by eitijan » Sat Apr 16, 2016 8:32 am
Source: IMS

Here, x cant be zero as 0^0 is not defined.
So can we ignore that case ?
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by DavidG@VeritasPrep » Sat Apr 16, 2016 9:11 am
eitijan wrote:Source: IMS

Here, x cant be zero as 0^0 is not defined.
So can we ignore that case ?
How to treat 0^0 is a long-running debate, one the GMAT would likely take great pains to avoid: https://mathforum.org/dr.math/faq/faq.0.to.0.power.html
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