Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 10 Counting Methods and Probability - 10.1 Apply the counting Principles and Permutations - 10.1 Exercises - Skill Practice - Page 687: 30

Answer

24

Work Step by Step

There are 4! ways to order 4 things when choosing all 4. Hence: $4*3*2*1 = 24$
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