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April 18, 2014

April 18, 2014

Posted by **Andrew** on Wednesday, November 14, 2012 at 9:54pm.

- math -
**Reiny**, Wednesday, November 14, 2012 at 10:09pmIn each case we can assume that no whole number starts with a zero, and no repeating digits for all 3 cases.

number of 4 digits numbers = 6x6x5x4 = 720

number of 3 digit odd numbers, (must end in an odd) = 5x5x3 = 75

number of 3 digit numbers = 6x6x5 = 180

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