Algebra and Trigonometry 10th Edition

Published by Cengage Learning
ISBN 10: 9781337271172
ISBN 13: 978-1-33727-117-2

Chapter 11 - Cumulative Test for Chapters 9-11 - Page 845: 40


$120$ different ways.

Work Step by Step

The order in which the 3 applicants are selected is not important. It is a combination of 3 applicants from a group of 10 applicants. $_{10}C_3=\frac{10!}{(10-3)!·3!}=\frac{10\times9\times8\times7!}{7!\times3\times2\times1}=120$
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