The square root of 270 can be simplified as:

$\sqrt{270} = \sqrt{9 \times 30} = \sqrt{9} \times \sqrt{30} = 3\sqrt{30}$

So, $\sqrt{270} \approx 16.43$.

Would you like more details or have any questions?

Here are 5 related questions to explore:

1. What is the square root of 300?
2. How do you simplify the square root of a non-perfect square?
3. Can you approximate $\sqrt{30}$ with more decimal places?
4. How would you find the square root of a fraction, like $\sqrt{270/4}$?
5. What is the cube root of 270?

Tip: When simplifying square roots, factor the number into perfect squares and other factors to make calculations easier.