Algebra and Trigonometry 10th Edition

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: 39


There are 504 possible orders.

Work Step by Step

The order in which the family members are selected is important. It is a permutation of 3 family members from a group of 9 family members. $_9P_3=\frac{9!}{(9-3)!}=\frac{9\times8\times7\times6!}{6!}=504$
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