   Chapter 14.1, Problem 2E ### Algebra and Trigonometry (MindTap ...

4th Edition
James Stewart + 2 others
ISBN: 9781305071742

#### Solutions

Chapter
Section ### Algebra and Trigonometry (MindTap ...

4th Edition
James Stewart + 2 others
ISBN: 9781305071742
Textbook Problem

# CONCEPTSThe number of ways of arranging r objects from n objects in order is called the number of _____ of n objects taken r at a time and is given by the formula P ( n , r ) = _____.

To determine

To fill:

Explanation

Approach:

By the Fundamental Counting Principle the ordering of n objects is called the permutation and is equal to n!. If r objects are taken at a time and ordered then the permutation of n objects taken r at a time is equal to P(n,r)=n!(nr)!

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