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m and n are integers, is m^n an integer? 1) n^m is positive

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Manager
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m and n are integers, is m^n an integer? 1) n^m is positive [#permalink]

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New post 09 Sep 2004, 02:14
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A
B
C
D
E

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m and n are integers, is m^n an integer?
1) n^m is positive
2) n^m is an integer

Thanks.
Manager
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Joined: 02 Apr 2004
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 [#permalink]

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New post 09 Sep 2004, 03:00
I think the answer is E

st.1

-3^2 = 9
2^-3 = 1/8

3^2 = 9
2^3 = 8
Not sufficient

st.2

-3^2 = 9
2^-3 = 1/8

3^2 = 9
2^3 = 8
Not sufficient

Both statements together are not sufficient as well.

Please correct me if I am wrong.

Regards,

Alex
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Re: DS - integers. [#permalink]

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New post 09 Sep 2004, 05:33
anuramm wrote:
m and n are integers, is m^n an integer?
1) n^m is positive
2) n^m is an integer

Thanks.


E - the stem is basically asking if n>=0

A - insufficient, n could be -ve and m +ve
B - insufficient - just tells us that m is positive
C - insufficient
Re: DS - integers.   [#permalink] 09 Sep 2004, 05:33
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m and n are integers, is m^n an integer? 1) n^m is positive

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