### Home > CC4 > Chapter 10 > Lesson 10.1.2 > Problem10-37

10-37.

Rewrite each expression below. In parts (b) and (c), write an equivalent expression without parentheses. Homework Help ✎

1. $\quad \frac { 6 x ^ { 2 } y ^ { 3 } } { 3 x y }$

• $2xy^2$

1. $\quad ( - m n ) ^ { 3 }$

• What does the exponent tell about repeating (−mn) as a factor?

• $-\textit{m}^3\textit{n}^3$

1. $(mn)^{-3}$

What is the rule for negative exponents?

1. $\frac { 3.2 \times 10 ^ { - 2 } } { 8 \times 10 ^ { 3 } }$

• $\text{This is equivalent to }\left(\frac{3.2}{8}\right)\left(\frac{10^{-2}}{10^3}\right)$