Answer
1,260 possible permutations
Work Step by Step
Total symbols = 9
Repeating symbols: % = 4, & = 3, + = 2
Possible permutations = 9! / 4! 3! 2! = 1,260
Elementary Statistics: A Step-by-Step Approach with Formula Card 9th Edition
by Bluman, Allan
Published by
McGraw-Hill Education
ISBN 10:
0078136334
ISBN 13:
978-0-07813-633-7
Chapter 4 - Probability and Counting Rules - 4-4 Counting Rules - Exercises 4-4 - Page 236: 29
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