## Thinking Mathematically (6th Edition)

Published by Pearson

# Chapter 11 - Counting Methods and Probability Theory - 11.2 Permutations - Exercise Set 11.2: 39

1

#### Work Step by Step

The number of possible permutations if r items are taken from n items is nPr = $\frac{n!}{(n-r)!}$ 8P0= $\frac{8!}{(8-0)!}$ = $\frac{8!}{8!}$ =1

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