College Algebra (10th Edition)

Published by Pearson
ISBN 10: 0321979478
ISBN 13: 978-0-32197-947-6

Chapter 10 - Section 10.1 - Counting - 10.1 Assess Your Understanding - Page 687: 8



Work Step by Step

We multiply the numbers of choices ($p, q, r$) with each other because one doesn't affect the other two, as it's a variation of these three. Therefore, the number of possible selections is the product of $p, q, r$
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