SOLUTION: Charlie has 15 books about the American revolution. In how many ways can charlie arrange 4 of these books on a shelf as part of a display?
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Question 942635: Charlie has 15 books about the American revolution. In how many ways can charlie arrange 4 of these books on a shelf as part of a display? Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! Charlie has 15 books about the American revolution. In how many ways can charlie arrange 4 of these books on a shelf as part of a display?
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"Arrange" implies permutations.
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Ans: 15P4 = 15*14*13*12 = 32760
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Cheers,
Stan H.
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