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Gennadij [26K]
3 years ago
13

Ten runners are in a race. how many different ways can they finish in 1st, 2nd and 3rd place?

Mathematics
1 answer:
Aleksandr [31]3 years ago
3 0
The order of selection matters, therefore we need to find permutations:
The number of ways is found from 10P3.
10P3=\frac{10!}{7!}=10\times9\times8=720\ ways
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