3. Wayne has a pile of 20 books to read. (a) In how many orderings can he read them? (b) In how many orderings can he read them if the pile includes the 7 Harry Potter books, which must be read in order and consecutively? (c) How many orderings if the 7 Harry Potter books must be read in order but not necessarily consecutively?
3. Wayne has a pile of 20 books to read. (a) In how many orderings can he read them? (b) In how many orderings can he read them if the pile includes the 7 Harry Potter books, which must be read in order and consecutively? (c) How many orderings if the 7 Harry Potter books must be read in order but not necessarily consecutively?
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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Transcribed Image Text:3. Wayne has a pile of 20 books to read.
(a) In how many orderings can he read them?
(b) In how many orderings can he read them if the pile includes the 7 Harry Potter
books, which must be read in order and consecutively?
(c) How many orderings if the 7 Harry Potter books must be read in order but not
necessarily consecutively?
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