SOLUTION: Paulo is putting 8 books on a bookshelf.In how many different arrangements can he put the books?
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Question 596245: Paulo is putting 8 books on a bookshelf.In how many different arrangements can he put the books?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
# of ways to fill the 1st position: 8
# of ways to fill the 2nd position: 7
....
....
# of ways to fill the last postion: 1
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# of ways to arrange the 8 books: 8*7*6....*2*1 = 8!
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Ans: 8P8 = 8!/(8-8)! = 8! = 1 = 40320
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cheers,
Stan H.
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