Precalculus (10th Edition)

Published by Pearson
ISBN 10: 0-32197-907-9
ISBN 13: 978-0-32197-907-0

Chapter 13 - Counting and Probability - 13.2 Permutations and Combinations - 13.2 Asses Your Understanding - Page 856: 57

Answer

$362,880$

Work Step by Step

The number of ways arranging $n$ distinct objects is $n!=n\cdot(n-1)\cdot(n-2)\cdot...\cdot3\cdot2\cdot1.$ Here, we have $9$ people to be arranged. Hence, the number of batting orders is $9!=9\cdot8\cdot7\cdot...\cdot3\cdot2\cdot1=362880.$
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