Answer
$56$
Work Step by Step
$\binom8 5 =\dfrac {8!}{5!\left( 8-5\right) !}=\dfrac {5!\times 6\times 7\times 8}{5!\times 3!}=\dfrac {6\times 7\times 8}{1\times 2\times 3}=56$
Precalculus (6th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
013421742X
ISBN 13:
978-0-13421-742-0
Chapter 11 - Further Topics in Algebra - 11.4 The Binomial Theorem - 11.4 Exercises - Page 1045: 15
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