0.199

to the nearest hundredth.

0.20 would be the answer.

The number places on a number go as follows starting at 0. and going to the right

ones, tenths, hundredth

This means that 0.00 is the hundredth place (the bolded 0). Since you round a 9 up one, this makes the 1 in the tenths place go to a 2 and the hundredth go to a 0

0.20

is to the nearest hundredth.