College Algebra (6th Edition)

Published by Pearson
ISBN 10: 0-32178-228-3
ISBN 13: 978-0-32178-228-1

Chapter 8 - Sequences, Induction, and Probability - Exercise Set 8.6 - Page 770: 85

Answer

Doesn't make sense.

Work Step by Step

The order matters in a four-note sound sequence, thus not combinations but permutations must be used. Thus the statement doesn't make sense.
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