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: 2

Answer

336

Work Step by Step

n = 8 r = 3 $P(n, r) = \frac{n!}{(n - r)!}$ $P(8, 3) = \frac{8!}{(8 - 3)!} = \frac{8(7)(6)5!}{5!} = 8(7)(6) = 336$
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