The uploaded image appears to show the mathematical notation for the square root of 64, written as $\sqrt{64}$.

Solution:

To compute the square root of 64: $\sqrt{64} = 8$

The answer is 8.

Would you like more details on this computation or its applications?

Here are five related questions:

1. What is the square root of other perfect squares, such as 81 or 100?
2. How can you simplify square roots of non-perfect squares?
3. What is the process for calculating square roots manually without a calculator?
4. Can negative numbers have real square roots?
5. How do square roots relate to quadratic equations?

Tip: Remember, the square root of a number $n$ is a value that, when multiplied by itself, equals $n$.