(a) In how many ways can persons A, B, C be lined up? List all possible permutations of these persons. (b) In how many ways can Marek send five different postcards from his vacation to five of his friends?
(a) In how many ways can persons A, B, C be lined up? List all possible permutations of these persons. (b) In how many ways can Marek send five different postcards from his vacation to five of his friends?
Algebra and Trigonometry (MindTap Course List)
4th Edition
ISBN:9781305071742
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter14: Counting And Probability
Section14.CR: Chapter Review
Problem 2CC
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(a) In how many ways can persons A, B, C be lined up? List all possible permutations of these persons.
(b) In how many ways can Marek send five different postcards from his vacation to five of his friends?
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