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February 28, 2015

February 28, 2015

Posted by **sh** on Tuesday, June 16, 2009 at 1:55pm.

How do you do permutation and repetition?

- math -
**Anonymous**, Tuesday, June 21, 2011 at 1:17amsince first bar cannot be a zero possibiltiies of first numeral is 9, and since repition is allowed, the last 3 slots are allowed to be 10 therefore,

9 x 10 x 10 x 10 (had u forgotten that it said even or odd numbers only, just simply divide by 2) other than that the answer is 9000.

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