Discrete Mathematics and Its Applications, Seventh Edition

Published by McGraw-Hill Education
ISBN 10: 0073383090
ISBN 13: 978-0-07338-309-5

Chapter 6 - Section 6.1 - The Basics of Counting - Exercises: 7

Answer

People can have 17576 different 3 letter initials.

Work Step by Step

Assuming only capital alphabets (A - Z), each letter has 26 choices. So, total number of ways = 26 x 26 x 26 = 17576
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