Joestat has 8 distinguishable books. How many ways can Joestat arrange his books? Use the factorial rule to count the number of ways Joestat can arrange his books.

Solution:

8! = 8 factorial = 40320

Using the TI-84 or TI-83 calculator to compute the factorial:

| [ 8 ] | [MATH] | [ < ] | [ 4 ] | [ENTER] |

To understand what a Factorial is, see the Factorial Statistics Definition section.

Last Modified on February 22, 2013 by

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