<span>The tenths place is to the right of the decimal point.</span> In order to round u number to the nearest tenth, you should <span>to the right of the tenths place. Depending on this number you should determine if you will round up or stay the same (if it is bigger than 5 you will round up, if not it will stay the same). In our case, the number is 15.5 so it is already rounded to the nearest tenth.