Which decimal digits occur as the final digit of a forth power of an integer?

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- Feb 25th 2008, 12:28 PMmandy123decimal digit as final digit
Which decimal digits occur as the final digit of a forth power of an integer?

- Feb 25th 2008, 05:58 PMThePerfectHacker
Reduce mod . You can just reduce by mod since it will repeat. And those are the possibilities.

- Feb 25th 2008, 07:18 PMtopsquark