How do you round to the nearest hundredth of a second?

Answer 1

say if you have 23.4578 seconds, you make the time read to two decimal places. because 78 is nearer 100 than 0, you round the 5 up. so it becomes 23.46sec. remember. after the decimal place, 4 in tenths position, 5 in hundredths position, 7 in thousandths position etc.