Question

How to simplify 81 1/2

Answer 1

81=81•2/2=162/2
81 1/2=162/2+1/2
=163/2
So 81 1/2=163/2=81.5

Answer 2

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.