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Home > MC1 > Chapter 9 > Lesson 9.2.4 > Problem 9-91

9-91.

Look at the Math Notes box below for help getting started on this problem.

6(5) − 4 = 26

Remember that 8r means 8 r's or (8)(r).

29

Remember that the exponent (the two) means that you will multiply r by itself.