Combinations and Permutations Question
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a) 4 x 3 x 2 x 1 4!
b) 7 x 6 x 5 x 4 x 3 x 2 x 1 7!
c) 5 x 4 x 3 x 2 x 1 5!
d) 3 x 2 x 1 3!
e) 9 x 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1 9!