Lesson: Counting Using Permutations Mathematics
In this lesson, we will learn how to use permutations to solve counting problems.
Sample Question Videos
In how many ways can 11 books be arranged on a shelf?
A company labels their products with codes that start with 3 English letters followed by 8 non-zero digits. Which of the following represents the number of codes that can be created with no repetition of any letter or digit?
Let and , where . Which of the following represents the number of elements in ?