Verified Answer :

JcAlmighty

The answer is B.2520

For permutation P we will use:
nPr = n!/(n-r)!
7P5 = ?
n = 7
r = 5
7P5 = 7!/(7-5)!
       = (7 6 5 4 3 2 1)/2!
       = 5040/(1 * 2)
       = 5040/2
       = 2520

lemion

Answer:

2520

Explanation:

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