Answer
$P(6,2)=30$
Work Step by Step
Use the permutation formula to obtain
$P(n,r)=\frac{n!}{(n-r)!}$
$P(6,2)=\frac{6!}{(6-2)!}=\frac{6!}{4!}=\frac{6\cdot5\cdot4!}{4!}=30$
College Algebra (10th Edition)
by Sullivan, Michael
Published by
Pearson
ISBN 10:
0321979478
ISBN 13:
978-0-32197-947-6
Chapter 10 - Section 10.2 - Permutations and Combinations - 10.2 Assess Your Understanding - Page 695: 7
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