How many ways can a gymnastics team of 4 be chosen from 9 gymnasts?

Question

Chelsea Valentine

Mathematics

29 May, 20:47

How many ways can a gymnastics team of 4 be chosen from 9 gymnasts?

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Devyn Garza · Answer 1

You have 9 gymnasts and want to make a team of 4. Say one out of the nine is chosen; eight are left. Take one, then seven, and two more can be chosen. Keep doing this and your team is full. So, it's 9*8*7*6 which equals 3,024, since order doesn't matter.