Decimal places are counted from the decimal point:
So, the number has four decimal places, while has two decimal places.
Round to decimal places
This means we need digits after the decimal point.
Because the next digit , is more than , we round the up.
( decimal places)
Q1. Round to decimal places.
Q2. Round to decimal place.
To round to two decimal places, look at the number in the third decimal place. It's a , so round down.
Therefore, ( decimal places)
To round to one decimal place, look at the number in the second decimal place. It's a , so round up.
Therefore, ( decimal place)
For example, rounding to two decimal places gives .
You need to write both decimal places, even though the second number is a zero, to show that you rounded to two decimal places.
Remember to look at the number after the one you're interested in. If it's less than , round down. If it's or more, round up.