### Home > CAAC > Chapter 14 > Lesson 14.2.1.1 > Problem 2-9

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 (3*a*^{2}*b*)^{3}.

He knows that (3*a*^{2}*b*)^{3} = (3*a*^{2}*b*)(3*a*^{2}*b*)(3*a*^{2}*b*). Now what?

Use the associative and commutative properties to rewrite the expression.

3 · 3 · 3 · *a ^{-2} · a^{-2}· a^{-2}· b · b · b*