What is 3.75 rounded to

You never specified what you wanted to round it to but it can be rounded to the tenth which is 3.8 because 5 makes the mark to round up. Any number 5 or higher makes it possible to round up. Anything lower, it stays the same number.

To round to the whole, round up and you get 4, which follows the same concept above.

4. | 75hundredths is bigger than 50 therefore the closest whole number would be 4.