The question asks: "Click on the number which is closest to the square root of 83."

Let's calculate the square root of 83.

$\sqrt{83} \approx 9.11$

Now, looking at the provided options:

• 7
• 8
• 9
• 10
• 40

The number closest to $9.11$ is 9.

Do you want further details or have any other questions?

Here are 5 related questions you might explore:

1. What is the square root of 100?
2. What is the square root of 49?
3. How do you estimate square roots without a calculator?
4. What is the square of 9?
5. How do you find the cube root of a number?

Tip: To estimate square roots, find two perfect squares the number lies between and refine your estimate.