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OpenStudy (anonymous):
Nine people are entered in a race. If there are no ties, in how many ways can the first three places come out?
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jimthompson5910 (jim_thompson5910):
There are 9 choices for first place 8 for second and 7 for third So there are 9*8*7 = 504 different ways to place 1st, 2nd, and 3rd
OpenStudy (anonymous):
give me your brain? :) lol
jimthompson5910 (jim_thompson5910):
lol can't do that, but hopefully I can at least give you my knowledge by teaching you well
OpenStudy (anonymous):
haha good enough!
jimthompson5910 (jim_thompson5910):
:)
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