650
600
7 is the ones digit in the number 647. Since 7 is five or more, the tens digit next to it is increased by one and the ones digit becomes zero. 647 rounded to the nearest 10 is 650.
600
60
It is: 100
It is then 740 when rounded to the nearest ten.
36184 rounded to the nearest ten thousand is 40000. Rounded to the nearest thousand is 36000.
Rounded to the nearest ten it is 10 but rounded to the nearest tenth it is 12.6
6512162 rounded to the nearest ten is 6512160.
320
2602 rounded to the nearest ten is 2600.