Learn how to evaluate a number raised to a negative rational power

The video tutorial explains how to evaluate 81 raised to the negative 1/4. It begins by rewriting the expression with a positive exponent and explores different ways to express 81, such as 9 squared and 3 to the fourth power. The tutorial demonstrates simplification and verification of the solution, and also explores an alternative method to solve the problem, showing that both methods yield the same result.

How can the expression 81 raised to the negative 1/4 be rewritten?

What is the fourth root of 81?

Can you express 81 as a power of another number?

How can you simplify the expression 1 over 9 to the 1/2?

What is the equivalent of 9 to the 1/2 power?