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OpenStudy (anonymous):
How many different ways can 10 different runners finish in first, secons, and third places in a race?
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OpenStudy (anonymous):
720
OpenStudy (anonymous):
10P3 = 10!/(10 - 3)! = 10!/7! = 720. There are 720 different ways.
OpenStudy (anonymous):
can i get a woot woot!:D -seashell <3
OpenStudy (anonymous):
woot woot ;D
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