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October 20, 2014

October 20, 2014

Posted by **sarah** on Wednesday, May 9, 2012 at 5:58pm.

needs to be created using

digits 0-9. first digit is

even , no digit is repeated ,

last digit is odd

- math-permutuation -
**MathMate**, Wednesday, May 9, 2012 at 9:21pmFirst digit is even: 4 choices (assuming zero is excluded)

Last digit is odd: 5 choices

Eight digits remain for the second digit, and 7 for the third (no repetition).

Total=product of all four numbers.

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