Answer
2520 distinguishable permutations.
Work Step by Step
2 A's and one of the other 5 letters. Total: 7 letters.
$\frac{7!}{2!~1!~1!~1!~1!~1!}=\frac{5040}{2}=2520$
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Chapter 11824 - 11.6 - Counting Principles - 11.6 Exercises - Page 824: 45
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