Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter R - Review of Basic Concepts - R.1 Sets - R.1 Exercises: 15

Answer

The set is infinite. $10$ is not an element of the set.

Work Step by Step

The set of natural numbers are the counting numbers $1, 2, 3, ..., 11, 12, 13, ...$. This means that the elements of the given set are $11, 12, 13, ....$. This set has infinite elements. Since the lowest element of the set is $11$, then $10$ is not an element of the given set.
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