Question: Find the square root. \[ \sqrt{\frac{1}{81}} \] Select the correct choice below and, if…

Find the square root. \[ \sqrt{\frac{1}{81}} \] Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. \sqrt{\frac{1}{81}} = \boxed{\text{Type an integer or a simplified fraction}} B. The square root is not a real number.

Solution

To find the square root of \( \frac{1}{81} \) \[ \sqrt{\frac{1}{81}} = \frac{\sqrt{1}}{\sqrt{81}} = \] \[ = \frac{1}{9} \] Therefore, the correct answer is A. \( \frac{1}{9} \)