College Algebra 7th Edition

Published by Brooks Cole
ISBN 10: 1305115546
ISBN 13: 978-1-30511-554-5

Chapter 9, Counting and Probability - Section 9.1 - Counting - 9.1 Exercises - Page 657: 51



Work Step by Step

Let's put Jack in the first chair since he insists. Then we have 4 people to put in 4 chairs. $P(4,4) = 4!/0! = 4! = \boxed{24}$
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