Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Chapter 11 - Section 11.5 - The Binomial Theorem - Vocabulary, Readiness & Video Check - Page 663: 4



Work Step by Step

Using $n!=n(n-1)(n-2)\cdot\cdot\cdot(3)(2)(1)$ or the factorial of a number, the given expression, $ 2! ,$ is equal to \begin{array}{l}\require{cancel} 2(1) \\\\= 2.\end{array}
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