# Permutation

by
**Sofich**

Last updated 4 years ago

** Discipline: **

Math ** Subject: **

Pre-Calculus
** Grade:**

10

Permutation

nPr= n! (n-r)!

Formula:

A way, in which a set of numbers or things can be ordered or arranged.

What is this

-If order doesn't matter it is a combination.-If order matters it us a premutation.

Premutation vs. Combination

Follow this link for examples!

nPr= n! (n-r)!

What does "n" and "r" mean

Tutorial video, click to watch

N= the total amount of objects.R= are the number of objects chosen from N.

http://sofich.edu.glogster.com/problems

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