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October 22, 2014

October 22, 2014

Posted by **jeff** on Sunday, November 27, 2011 at 5:56pm.

- math -
**Steve**, Sunday, November 27, 2011 at 6:48pmSince there are 4 choices for each digit, there are 4^4 = 256 different numbers.

Only half of them begin with 5 or 6

- maths -
**sumedha**, Wednesday, June 20, 2012 at 5:44am\

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