### Home > CCA > Chapter 3 > Lesson 3.2.4 > Problem3-75

3-75.

Simplify each of the expressions below. Your final simplification should not contain negative exponents.

1. $\left(5x^3\right)\left(-3x^{-2}\right)$

$-15x$

1. $\left(4p^2q\right)^3$

Write the expression in parentheses three times then multiply.

1. $\frac{3m^7}{m^{-1}}$

When like bases are divided, subtract the exponents.

$3m^8$