Outcomes
In this lesson you will
- develop an expression permutations ;

- explore permutations in which items are repeated
By the end of this section students will be able to:
- develop an understanding of factorial notation and apply it to calculating permutations and combinations
- distinguish between situations that involve combinations and permutations
- develop and apply formulae to evaluate permutations and combinations
Prerequisites
To be successful in this lesson, it would be helpful to know the following:
- the Fundamental Counting Principle
- Rearranging items