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If there are 40 entries to the science fair how man ways can the students get 1st, 2nd, and 3rd
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Nov 4, 2018
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If there are 40 entries to the science fair how man ways can the students get 1st, 2nd, and 3rd
Mathematics
high-school
DreamsOfHummus
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40 choices for 1st slot
39 for 2nd (1 less)
38 for 3rd
40*39*38=59280 ways
Mark Andersen
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Nov 8, 2018
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