SOLUTION: How many ways can 7 students be chosen out of 21

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Question 939893: How many ways can 7 students be chosen out of 21
Answer by Edwin McCravy(20054) About Me  (Show Source):
You can put this solution on YOUR website!
21 students CHOOSE 7 = 21C7 = %2821%2A20%2A19%2A18%2A17%2A16%2A15%29%2F%287%2A6%2A5%2A4%2A3%2A2%2A1%29 = 116280

Edwin