Answer
$P(4,4) = 24$
Work Step by Step
Use the formula $P=\dfrac{n!}{(n-r)!}$ to obtain:
$\require{cancel}
P(4,4)
\\=\dfrac{4!}{(4-4)!}
\\=\dfrac{4(3)(2)(1)}{0!}
\\=\dfrac{24}{1}
\\=24$
Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)
by Sullivan III, Michael
Published by
Pearson
ISBN 10:
0-32193-104-1
ISBN 13:
978-0-32193-104-7
Chapter 12 - Counting and Probability - Section 12.2 Permutations and Combinations - 12.2 Assess Your Understanding - Page 875: 9
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