Answer
$_{15}P_3=2730$
Work Step by Step
$_nP_r=\frac{n!}{(n-r)!}$
$_{15}P_3=\frac{15!}{(15-3)!}=\frac{15\times14\times13\times12!}{12!}=2730$
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Chapter 11824 - 11.6 - Counting Principles - 11.6 Exercises - Page 824: 31
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