320
To round 315 to the nearest ten, you look at the digit in the tens place, which is 1. Since this digit is less than 5, you keep the digit in the tens place the same and change all other digits to the right to zero. Therefore, rounding 315 to the nearest ten gives you 310.
96 round to the nearest ten=100
125 rounded off the nearest ten is 130.
1 rounded to the nearest ten is zero.
if you round off to the nearest one then its 41, if you round off to the nearest ten, it is 40.
950
353640
400
190
30
140