# Chapter 12 - Data Analysis and Probability - 12-5 Samples and Surveys - Mixed Review - Page 747: 52

6

#### Work Step by Step

You are given: $\frac{6*5*4*3*2*1}{5*4*3*2*1}$.The easiest way to solving this is by canceling out the common factors which are 5,4,3,2,1. You are left with $\frac{6*5*4*3*2*1}{5*4*3*2*1}$ = 6.The answer is 6. You can also multiply the numbers and divide $\frac{6*5*4*3*2*1}{5*4*3*2*1}$=$\frac{720}{120}$=6.The answer is also 6.

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