SOLUTION: Can you evaluate 9C2 using permutation/combination? The 9 and 2 are supposed to be small

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Question 450681: Can you evaluate 9C2 using permutation/combination? The 9 and 2 are supposed to be small
Answer by MathLover1(20849) About Me  (Show Source):
You can put this solution on YOUR website!
using permutation: 9P2+=9%2A8=72
using combination: