Answer
${}_{16}P_9 = 4151347200$
Work Step by Step
$n=16$
$r=9$
$P(16,9)=\frac{16!}{(16-9)!}=\frac{16!}{7!}=\frac{16*15*14*13*12*11*10*9*8*7!}{7!}$
$=16*15*14*13*12*11*10*9*8 = 4151347200$
Algebra 2 Common Core
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133186024
ISBN 13:
978-0-13318-602-4
Chapter 11 - Probability and Statistics - 11-1 Permutations and Combinations - Lesson Check - Page 678: 5
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