Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 12 - Data Analysis and Probability - 12-5 Samples and Surveys - Mixed Review - Page 747: 51

Answer

42

Work Step by Step

You are given: $\frac{7 *6*5*4*3*2*1}{5*4*3*2*1}$.The easiest way to solving this is by canceling out the common factors which are 5,4,3,2,1. You are left with $\frac{7*6*5*4*3*2*1}{5*4*3*2*1}$ = 7 $\times$6=42.The answer is 42
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