80.948 rounded to the nearest ten is 80. When rounding, we look at the digit in the ones place, which is 8. Since 8 is 5 or greater, we round up, but since we are rounding to the nearest ten, we stay at 80.
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.
10 rounded to the nearest tens place is: 10. This is because the ones value is "0" so it does not round up.
Zero
It is: 0.6
600
600
It is 80.9
2.9
1.54
It's already there.
It is: 8
500
520