Discrete Mathematics and Its Applications, Seventh Edition

Published by McGraw-Hill Education
ISBN 10: 0073383090
ISBN 13: 978-0-07338-309-5

Chapter 6 - Section 6.3 - Permutations and Combinations - Exercises - Page 413: 10

Answer

720

Work Step by Step

The names of the candidates can be printed in P(6, 6) or 6! ways Intuition: For the first place, we have 6 choices. For the second place, we have 5 choices. For the third place, we have 4 choices. For the fourth place, we have 3 choices. For the fifth place, we have 2 choices. For the sixth place, we have 1 choice. Therefore, total number of ways = $6\times5\times4\times3\times2\times1$ =720
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