Answer
$\begin{pmatrix} 8 \\ 4 \\ \end{pmatrix}=70$
Work Step by Step
$\begin{pmatrix} 8 \\ 4 \\ \end{pmatrix}=\frac{8!}{(8-4)!·4!}=\frac{8\times7\times6\times5\times4!}{4!\times4\times3\times2\times1}=70$
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Chapter 11 - Cumulative Test for Chapters 9-11 - Page 845: 36
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