Permutation. There are 8! = 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1 = 40,320 ways to arrange 8 books on a shelf
Michael A.
tutor
Well, let's think about what that would say.
8P8 = 8!/(8 - 8)! = 8!/0!
Since 0! = 1, we have 8!/1 = 8!
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06/02/17
Bob J.
06/02/17