100
The two hundereds, either side of 1256, are 1200 and 1300. 1300 is the nearest.
1260
1000
It is 300 when rounded to the nearest hundred
916 rounded to the nearest hundred is 900
0
It is already rounded to the nearest hundred thousandths. Rounded to the nearest thousands would be 87.381.
0
0
0
678 is rounded nearest hundred is 700
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