SOLUTION: In how many ways can eight books be arranged in a shelf if they can be selected from ten books?

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Question 634293: In how many ways can eight books be arranged in a shelf if they can be selected from ten books?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

In how many ways can eight books be arranged in a shelf if they can be selected from ten books?

 10C8 = 45 different sets of 8 books.

In how many ways can they  be arranged on a shelf?   45*8!