Concept explainers
Solve. See the Concept Checks in this section. For Exercises 123 through 126, match the expression with the operation needed to simplify each. A letter may be used more than once and a letter may not be used at all.
123.
A. Add the exponents B. Subtract the exponents C. Multiply the exponents
D. Divide the exponents E. None of these
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EP ALGEBRA FOUND.:PREALG.-MYLABMATH ACC
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