In how many ways can 4 different IT books, 2 different mathematics books, and 1 biology book be arranged on a bookshelf if (a) the books can be arranged in any order? Answer: (b) the mathematics books must be together but the other books can be arranged in any order? Answer:
In how many ways can 4 different IT books, 2 different mathematics books, and 1 biology book be arranged on a bookshelf if (a) the books can be arranged in any order? Answer: (b) the mathematics books must be together but the other books can be arranged in any order? Answer:
College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter9: Counting And Probability
Section: Chapter Questions
Problem 4T: Over the past year, John has purchased 30 books. In how many ways can he pick four of these books...
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