The square root of 8 can be simplified as follows:

$\sqrt{8} = \sqrt{4 \times 2} = \sqrt{4} \times \sqrt{2} = 2\sqrt{2}$

So, $\sqrt{8} = 2\sqrt{2}$, which is the simplified radical form.

If you want the decimal approximation:

$\sqrt{8} \approx 2.828$

Would you like more details or have any other questions?

Here are 5 related questions to explore further:

1. What is the square root of 18 in both simplified and decimal forms?
2. How do you simplify radicals in general?
3. What is the cube root of 8?
4. What are some real-life applications of square roots?
5. How do square roots relate to exponents?

Tip: Always look for perfect square factors when simplifying square roots!