Not usually. It's closer to 1000 than it is to 900.
958 = CMLVIII in Roman numerals
233.6585
Yes. 958 / 2 = 479
0.0177
The number 958 in Roman numerals is CMLVIII.
958 rounded to the nearest tens is 960
The digit in the tens position is 7, so we round up to get 900.
To round a number to the nearest 10, you select from the closest multiple of ten that's higher (900) and the closest that is lower (890). Whenever a number has units of 0,1,2,3,4 you round down, and whenever a number has units of 5,6,7,8,9 you round up. In this case, the units are 5, so you round up, meaning that 895 is 900 when rounded to the nearest 10.
1600 - 958 = 642
958+200 = 1158
900
900
900
958 x 84 = 80,472
2
958 = CMLVIII in Roman numerals
233.6585