My own creation. Should be pretty easy. 7776^(1/5) = : PS Archive
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# My own creation. Should be pretty easy. 7776^(1/5) =

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My own creation. Should be pretty easy. 7776^(1/5) = [#permalink]

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15 Jan 2004, 22:11
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My own creation. Should be pretty easy.

7776^(1/5) = X, find X.

A. 4
B. 9
C. 6
D. 3
E. 5
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16 Jan 2004, 01:07
C without calculations since it is only one that units digit always stay at 6 for every power.
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Paul

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16 Jan 2004, 04:33
Agree C as only digit 6 * 5 times gives the number
16 Jan 2004, 04:33
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