Answer: 9
Step-by-step explanation: To simplify \(81^{1/2}\), it's important to understand that an exponent of 1/2 means that we take the square root of the base. In other words, \(81^{1/2}\) means the same thing as the square root of 81 and the square root of 81 is 9.
So \(81^{1/2}\) is 9.
