### Home > INT2 > Chapter 6 > Lesson 6.1.2 > Problem6-21

6-21.

Rewrite each of the expressions below. Your final expressions should not contain negative exponents or parentheses.

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

$-15x$

1. $(4p^2q)^3$

Write the expression in parentheses three times then multiply.

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

When like bases are divided, subtract the exponents.

$3m^8$