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 59: 69


n(B)= 15

Work Step by Step

B ={2,4,6,......,30} The cardinal number for each set is determined by the number of elements in the set. In the given set 4 elements are visible, .... represents some elements like 8,10,12. Therefore in the given set B there are 15 elements.
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