February 22, 2017

Homework Help: Math (Reiny)

Posted by Ann on Wednesday, January 5, 2011 at 9:44pm.

Regarding my question below, when the question talks about digits 0-7 do we include the 0. In other words, are the possible digits 0,1,2,3,4,5,6,7 or 1,2,3,4,5,6,7? Thanks again for your help.

How many odd four-digit numbers, all of the digit different can be formed from the digits 0 to 7, if there must be a 4 in the number?

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