SOLUTION: A secratary has to create ten new customer files. In how many different orders can he do this?

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Question 402845: A secratary has to create ten new customer files. In how many different orders can he do this?
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
There are 10 P 10 = 10!/(10-10)! = 10!/0! = 10!/1 = 10! = 10*9*8*7*6*5*4*3*2*1 = 3628800 different ways to order the files.