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OpenStudy (anonymous):
six people entered a dance contest. how many permutations of first, second, and third place are possible
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OpenStudy (anonymous):
is it 18
OpenStudy (anonymous):
??
terenzreignz (terenzreignz):
Formula... \[\Large _nP_r = \frac{n!}{(n-r)!}\] so in this case, n = 6 and r = 3
OpenStudy (anonymous):
awesome thanks!!
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