Thinking Mathematically (6th Edition)

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

Chapter 2 - Set Theory - 2.1 Basic Set Concepts - Exercise Set 2.1 - Page 60: 125

Answer

Does not Makes Sense.

Work Step by Step

You can make different sets of temperatures and Locations or You can use sets inside sets but the method to express in set does not qualify being set.
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