543 rounded to the nearest tens place is 540.
60
This depends what you are rounding 2,550 by. If you are rounding it to the nearest tens place it is already there. If you are doing it to the nearest hundred it would be: 2,600. The nearest thousands place would be: 3,000.
H t o
Some where between -1 and 1
34.92 rounded to the nearest sixteenth is 34.9375
It is 8.6
0.8
400
48 rounded o the nearest 10 is 50
2.85
60
7900