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Mathematics 17 Online
OpenStudy (anonymous):

A bicycle race has 9 contestants. How many ways can the contestants finish first, second, and third in the race? A. 9 B. 504 C. 3024 D. 362,880

OpenStudy (agent0smith):

There's 9 people who can finish first, then 8 left who can finish second, then 7 left who can finish first - so 9*8*7 ways.

OpenStudy (anonymous):

B

OpenStudy (agent0smith):

@logitech02 and @009infinity firstly, don't just post answers, and secondly... don't just post answers without any reasoning (this looks especially bad if they're wrong, @009infinity )

OpenStudy (anonymous):

hmmm good job @agent0smith

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