In these lessons, we will learn about permutations how to solve permutation with and without repetitions.

**Related Pages**

Permutations

Permutations and Combinations

Permutations P(n,r)

Permutations & Probability

Probability

**Introduction To Permutations**

**Calculating Permutations (arrangements)**

Counting the number of way to arrange n distinct objects.

If you are not familiar with the n! (n factorial notation) then have a look the factorial lessons.

**Why Is Order Important In Permutations**

Students learn that a permutation is an arrangement of objects in which the order
is important. For example, the permutation AB is different than the permutation
BA. Students are then asked to solve word problems involving permutations.

**Permutation Examples**

Two examples of counting using permutations and the basic counting principle.

Try the free Mathway calculator and
problem solver below to practice various math topics. Try the given examples, or type in your own
problem and check your answer with the step-by-step explanations.

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