SOLUTION: Evaluate nCr 1. 5C3

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Question 1040237: Evaluate nCr
1. 5C3
Answer by ikleyn(52784) About Me  (Show Source):
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Evaluate nCr
1. 5C3
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5C3 = C%5B5%5D%5E3 = 5%21%2F%283%21%2A2%21%29 = %285%2A4%29%2F2 = 10.

5C3 = C%5B5%5D%5E3  is the binomial coefficient = number of combinations  5  things taken  3  at a time.

See the lesson  Introduction to Combinations  in this site.