900
It is 900 when rounded to the nearest ten.
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.
60
It is then 740 when rounded to the nearest ten.
36,184 rounded to the nearest ten thousands place is 40,000.
260
73127850
Rounded to the nearest ten it is: 564,630
5240
320
2602 rounded to the nearest ten is 2600.
6512162 rounded to the nearest ten is 6512160.