Homework Help: math

Posted by eric on Tuesday, February 21, 2012 at 9:45am.

How many different whole numbers can be made with the digits 5, 7, 8? For this problem, each different whole number may have 1, 2, or 3 digits and a digit may be repeated.

math - Sin, Wednesday, February 22, 2012 at 5:25pm
12

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