Thinking Mathematically (6th Edition)

Published by Pearson
ISBN 10: 0321867327
ISBN 13: 978-0-32186-732-2

Chapter 2 - Set Theory - Chapter Summary, Review, and Test - Review Exercises: 31

Answer

The number of subsets = 31

Work Step by Step

{2,4,6,8,10} There are 5 elements in the given set. We know that, If set contains n elements then number of subsets are 2^{n}, and among them 2^{n} - 1 are the proper subsets. The number of subsets = 2^{5} - 1 = 32 - 1 = 31.
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