round 81.139 to the nearest tenth
If the number you are rounding is followed by 5, 6, 7, 8, or 9, round the number up (+1).If the number you are rounding is followed by 0, 1, 2, 3, or 4, round the number down (no change).81.139 ≈ 81.1
the first place after the decimal place is the tenth's place, then next is the hundreth's and so onwhen rounding, if the number is 5 or more then round up , if less than 5, round downexg\.5 runded up=1.4 rounded would be 0so 81.139disregard the 981.133 is less than 581.10
