3000
To the nearest hundred, 3100 and 3000 respectively.
5678 + 2987 = 8,665
736 to the nearest 1000, is 1000.
1000
1000
1000
1000
1000
1000
It is: 500 to the nearest 100 but zero to the nearest 1000
To the nearest ten, 980 To the nearest hundred, 1000