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

8-89.

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

Remember Order of Operations when solving these.

This may look similar to part (a), but note there is a minus sign in this one.

Check the signs carefully.

Check the signs carefully.

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