4 years ago

How many permutations are there of jack, queen, king, ace

1 answer:

vfiekz [6]4 years ago

4 0

$\bf _nP_r=\cfrac{n!}{(n-r)!}\qquad \qquad _4P_1=\cfrac{4!}{(4-1)!}$

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sveticcg [70]

Answer: (A)

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