Use Cube Roots and Fractional Exponents
Goal • Simplify expressions with fractional exponents.
Cube root The cube root of a real number a is a
real number b such that
|Example 1 Find cube roots
Evaluate the expression.
|Example 2 Multiple Choice Practice
What is the value of the expression
The correct answer is B.
Practice Simplify the expression.
|Example 3 Evaluate expressions involving
|Example 4 Evaluate expressions involving
|Example 5 Use properties of exponents
Simplify the expression. Write your answer using
Practice Simplify the expression. Write your
answer using only positive exponents.