Learn to evaluate an expression with a negative rational power in denominator

The video tutorial explains how to evaluate expressions with rational exponents, focusing on converting negative exponents to positive ones. It demonstrates the process using the example of 81 raised to the 3/4 power, showing how to simplify the expression by rewriting 81 as a power of 3. The tutorial concludes with the final result of the evaluation.

What is the rule for rewriting a negative exponent as a positive exponent?

How can you express 81 using exponents?

What is the result of raising 9 squared to the 3/4 power?

How can you rewrite 81 as a power of 3?

What is the final value obtained after evaluating the expression with the rational exponent?