### Home > CALC > Chapter 1 > Lesson 1.2.3 > Problem 1-56

1-56.

Wei Kit loves shortcuts! When calculating with fractional exponents, he looks for a way to avoid using his calculator. For example, he found out that

Use Wei Kit's method to evaluate the following expressions:

To avoid dealing with large numbers, find the square root of

first. After all, is equivalent to .

Step 1: What is the cube-root of

?

Step 2: Raise the cube-root ofto the th-power.

What is the fourth-root of

?

Reduce

before evaluating.