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combination 9

combination 9

Jul 30, 2020 · Check the result with our nCr calculator! And how many different combinations are there? C(9,3) = 9!/(3! * (9-3)!) = 9!/(3! * 6!) = 84. The number of combinations is always smaller than the number of permutations. This time, it is six times smaller (if you multiply 84 by 3! = 6, you'll get 504). It arises from the fact that every three cards you choose can be rearranged in six different ways, just like in the …

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