Answer
56
Work Step by Step
$ \binom {8}3 =\dfrac {8!}{3!\left( 8-3\right) !}=\dfrac {5!\times 6\times 7\times 8}{6\times 5!}=7\times 8=56$
Precalculus: Mathematics for Calculus, 7th Edition
by Stewart, James; Redlin, Lothar; Watson, Saleem
Published by
Brooks Cole
ISBN 10:
1305071751
ISBN 13:
978-1-30507-175-9
Chapter 12 - Section 12.6 - The Binomial Theorem - 12.6 Exercises - Page 886: 18
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