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Rocking digits (Posted on 2013-02-08) Difficulty: 3 of 5
Identify the last two digits of the given number:

98765432

No Solution Yet Submitted by Danish Ahmed Khan    
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Hints/Tips re: solution Comment 3 of 3 |
(In reply to solution by Charlie)

...8 has a cycle of 20 and every power of 8 where the exponent is 1 mod 20 ends in 08.

That is probably the funniest way of saying 8^1 is 8.

...not nickpicking, just for laughs.


  Posted by Ady TZIDON on 2013-02-08 18:05:43
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