Chapter 8.5, Problem 39E

To determine

To evaluate: the expression $P{}_4$ by using graphing utility.

Answer to Problem 39E

  $P{}_4=197,149,680$

Explanation of Solution

Given information:

  $P{}_4$

Calculation:

The permutation to be calculated $P{}_4$

Now use the Ti-83 calculator to evaluate $P{}_4$ , the procedure is given as below:

1. First enter the number 120 then press MATH button and go to PRB, the screenshot is given as below:

  

2. Now select number $2^{nd}$ command and press enter, the screenshot is given as below:

  

3. Now write 4 and press enter, screen display the value of $P{}_4$, the screenshot is given as below:

  

Hence, the displayed result is $P{}_4=197,149,680$ .