What is 3.249 rounded to the nearest tenth?

3.2

Step-by-step explanation:

To round a number to the nearest tenth, first look at the digit in the hundredths place.  If this digit is 5 or more, increase the digit in the tenths place and "cut off" the rest of the number.  If the digit in the hundredths place is less than 5, leave the digit in the tenths place and "cut off" the rest of the number.

The digit in the hundredths place is 4.  This is less than 5, so leave the digit in the tenths place and "cut off" the rest of the number:

3.2

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