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2-9.

Benjamin is taking Algebra 1 and is stuck on the problem shown below. Examine his work so far and help him by showing and explaining the remaining steps. Homework Help ✎
Original problem: Simplify (3a2b)3.
He knows that (3a2b)3 = (3a2b)(3a2b)(3a2b). Now what?

Use the associative and commutative properties to rewrite the expression.

3 · 3 · 3 · a-2 · a-2· a-2· b · b · b