Answer
20
Work Step by Step
$\frac{5*4*3*2*1}{3*2*1}$
$5*4*3/3*2/2*1/1$
$5*4$
$20$
Algebra 1
by Hall, Prentice
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: 50
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