Algebra-2

Question Analysis
This question involves exponent rules (power of a power). The main focus is on applying the rule to simplify the expression and get a whole number.

Key Concept Explanation
Power of a Power Rule: (multiply exponents when raising a power to a power). A fractional exponent means the k-th root of a.

Step-by-step Solution
1. Apply Power of a Power Rule: .
2. Simplify (square root of 81):