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bambi235504:
Which of the following evaluates to 9? A.10c1 B.9c8 C.12c10 D.9c9
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TheSmartOne:
Hello @bambi235504 ! Welcome to QuestionCove!
TheSmartOne:
Do you know the difference between permutations and combinations and the formulas for them?
TheSmartOne:
Well, since you're gone now. I'll just drop the formulas: \(\Large nPr = \frac{n!}{(n-r)!}\) \(\Large nCr = \frac{n!}{r!(n-r)!}\)
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