10 rounded to the nearest tens place is: 10. This is because the ones value is "0" so it does not round up.
1.54
Look at the digit in the ones place. It is a 7. That will round up the number, so will increment the 6, giving 870 as the result.
200
63546 rounded to the nearest ten is 63550.
It is: 0.6
Zero
It is 80.9
600
600
10 rounded to the nearest tens place is: 10. This is because the ones value is "0" so it does not round up.
2.9
It is: 8
1.54
It's already there.
500
20