### Home > AC > Chapter 8 > Lesson 8.2.5 > Problem 8-89

8-89.

Calculate the expressions below. Then compare your answers from (a) and (b) to those in problem 8-88. What do you notice?

Follow the steps in part (a).

Follow the steps in part (a).

−8

Follow the steps in part (a).

The answers you get for parts (a) through (d) will match those found in problem 8-88.