To round 65.0798 to the nearest tenth, you look to the hundredths place. If the number in the hundredths place is from 1-4, you round down. If the number in the hundredths place is from 5-9, you round up. In this case, the number in the hundredths place is 7, therefore we round the tenths place up a notch. So it'll be 65.1.
After the decimal point of a number, it is the tenth, hundredth, thousandth and so far. To round up a number, we look at the digit next to it.
For example, rounding to the nearest tenth of 5.68 would be 5.7 The number after 6 is 8 it is greater than 5, so we round it the next number of 7 which is 8.
