# 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!