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anonymous
 4 years ago
Ten athletes are running a 100 meter race. In how many different ways can the first three places be filled?
anonymous
 4 years ago
Ten athletes are running a 100 meter race. In how many different ways can the first three places be filled?

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anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0do you know how to use "n choose r"

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0no you need to use permutations

cathyangs
 4 years ago
Best ResponseYou've already chosen the best response.0that would be nPr. this would be 10P3

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0I'm not sure how to in this question.

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0total number 10, first three places is 3 and then go to your calculator

slaaibak
 4 years ago
Best ResponseYou've already chosen the best response.0First place can be held by any one of the 10. Nine people remain. Now second place can be held by any of the 9. 8 people remain. Now third place can be held by any of the 8. Therefore: 10 * 9 * 8
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