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Use the permutation formula to solve a problem when n = 8 and r = 4. A. 420 B. 1,680 C. 6,720 D. 26,880
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2 votes
Use the permutation formula to solve a problem when n = 8 and r = 4.

A. 420
B. 1,680
C. 6,720
D. 26,880

User MarkSkayff
by
8.8k points

2 Answers

3 votes
the answer is B which is 1,689
User Nietras
by
8.8k points
1 vote

Answer:

1680

Explanation:

(,)=(8,4)


=(8!)/((8-4)!)

=1,680

User Pthomson
by
7.5k points
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