### Home > A2C > Chapter 4 > Lesson 4.1.2 > Problem4-22

4-22.
1. Simplify each of the following expressions. Be sure that your answer has no negative or fractional exponents. Homework Help ✎

1. x2 y4

2. (2x)−2(16x2y)1/2

3

$\frac{1}{x^{2}y^{4}}$

Use methods from parts (a) and (b).