Answer
$8$
Work Step by Step
Expand, cancel, and multiply
$\frac{8!}{7!} = \frac{8\cdot7\cdot6\cdot5\cdot 4\cdot 3\cdot 2\cdot 1}{7\cdot6\cdot 5\cdot 4\cdot 3\cdot 2\cdot 1} = 8$
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 11 - Section 11.5 - The Binomial Theorem - Exercise Set - Page 664: 9
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