Homework Help: math

Posted by Karen on Monday, February 20, 2012 at 7:45pm.

There are nine customers waiting for their local SuperDuperMegaMart store to open on a big shopping day. In how many ways can the nine customers form a single line at the door? That is, how many different lines of nine people are possible?

math - Reiny, Monday, February 20, 2012 at 8:02pm
9! or 362880 ways

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