How do you use a calculator to find #sqrt68.1# to the nearest hundredth?
To the nearest 'hundredth' is the same as saying
'Round off to two decimal places'
TO do this you first have to determine the answer with a calculator to at least 3 decimal place.
The rounding will happen at the 5. It will either stay 5 or round up to 6, depending on the next digit which is a 2.
The 2 is below 5, so the answer rounds down to give: