Rounding up a number or estimation can be done for integers as well as decimals. When you're rounding off to a hundredth, its different from rounding off to a hundred.
The word hundredth clearly indicates its a decimal, so in this case you are required to round off the numbers after the decimal point which are, 195.
When you are rounding off a whole number or integer, you scale down the digits from the right towards the left hand side. For a decimal