The answer depends on what is meant by "the nearest decimal"
5.11 is a decimal, rounded to the nearest hundredth.
"Cents" is two decimal places. Round to the nearest hundredths.
Round off to the nearest cent, means round off to the nearest hundredths or round off to two decimal.
42.5
The nearest hundredth is the same as two decimal places.
You can do this in several ways. You can round to the nearest decimal; you can also round up, or round down.
To the nearest tenth it is: 5.6
It is 17,000 to the nearest thousand
To one decimal place it is rounded to 4.7
Round to the nearest decimal
Done!
.4