### Home > PC > Chapter 2 > Lesson 2.1.1 > Problem 2-12

2-12.

Salvador prefers to evaluate 81

^{3/4}in a different way. He knows that 3^{4}= 81, so he substitutes and uses the power law for exponents: 81^{3/4}= (3^{4})^{3/4}= 3^{3}= 27. Use Salvador’s technique to evaluate each of these. Homework Help ✎^{}

Hint: Expressas a power of 3.

9

3