## College Algebra (10th Edition)

Published by Pearson

# Chapter 10 - Section 10.2 - Permutations and Combinations - 10.2 Assess Your Understanding: 12

#### Answer

$P(9,0)=1$

#### Work Step by Step

Using the permutation formula, we obtain: $P(n,r)=\frac{n!}{(n-r)!}$ $P(9,0)=\frac{9!}{(9-0)!}=\frac{9!}{9!}=1$

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