Answer
840 possible 4 letters permutations
Work Step by Step
No. of letters in word "Decagon" = 7
No. of possible permutations of 4 letters = 7P4
= 840
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: 19
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