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: 67

Answer

5

Work Step by Step

A ={17,19,21,23.25} The cardinal number for each set is determined by the number of elements in the set. Therefore in the given set A there are 5 elements.
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