Posted by **Derp** on Friday, October 19, 2012 at 12:50pm.

When a torch is brought 2 times closer, how many times brighter will it appear?

2

4

9

16

At first, I figured the answer would be the obvious (2), but then I second-guessed myself and figured 4

## Answer This Question

## Related Questions

- music - Please can anyone help me with a musical puzzle.... I'm looking for ...
- algebra - Find the two consecutive odd integers such that 5 times the first ...
- physics - What are the magnitude and direction of the particleâ€™s acceleration? ...
- Geometry - If the perimeter of a triangle is 12, which of the following could be...
- Satistics - Jody checked the temperature 12 times on Monday, and the last digit ...
- math - Jody checked the temperature 12 times on Monday, and the last digit of ...
- statistics - Jody checked the temperature 12 times on Monday, and the last digit...
- Math - decide how many times out of 20 tosses you would expect heads to appear ...
- Math - I'm trying to use DeMoirre's Theorem to compute and express this in ...
- algebra II - Help me solve this problem that I missed, so that I can see where I...

More Related Questions