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28 March, 09:51

10 people are competing in a spelling bee. How many possible ways can 1st place, 2nd place and rd place be awarded?

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  1. 28 March, 10:17
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    1st place has 10 possible people

    2nd place has 9 possible people

    3rd place has 8 possible people

    10 * 9 * 8 = 720

    or you could use permutation (order matters)

    10P3 = 720

    nPr
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