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8-89.
  1. Calculate the expressions below. Then compare your answers from (a) and (b) to those in problem 8-88. What do you notice? Homework Help ✎

4

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.