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18-08-2017
Mathematics

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If there are 10 people in a race how many ways can 1st 2nd 3rd places be awarded

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18-08-2017

3 slots
1st slot has 10 possible people
2nd slot has 9 possible people (1 less than previous)
3rd slot has 8 possible people

so there are 10*9*8 ways or 720 ways

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