### Home > CCA2 > Chapter 3 > Lesson 3.2.1 > Problem3-67

3-67.

This problem is a checkpoint for rewriting and simplifying expressions with integral and rational exponents. It will be referred to as Checkpoint 3A.

For parts (a) through (d), rewrite each expression. For parts (e) through (h), simplify each expression.

1. $\sqrt [ 5 ] { x }$

1. $\frac { 1 } { x ^ { 3 } }$

1. $x^{2/3}$

1. $\frac { 1 } { \sqrt { x } }$

1. $x^{−1}y^{−​8}$

1. $(m^2)^{−​3/2}$

1. $(x^3y^6)^{1/2}$

1. $(9x^3y^6)^{−​2}$