Answer
255
Work Step by Step
$$\frac{10!}{2!*8!}+\frac{10!}{6!*4!}$$
$$=45+10*9*8*7/24$$
$$=45+210$$
$$255$$
College Algebra 7th Edition
by Stewart, James; Redlin, Lothar; Watson, Saleem
Published by
Brooks Cole
ISBN 10:
1305115546
ISBN 13:
978-1-30511-554-5
Chapter 8, Sequences and Series - Chapter 8 Review - Exercises - Page 641: 74
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