267.00
That depends with what precision you want to round it. When rounded to the nearest whole number, the answer is 267. If rounded to the nearest 10, it is 270. If rounded to the nearest hundred, 300. If rounded to the nearest thousand, the answer is zero.
0
270
It is 300 when rounded to the nearest hundred
916 rounded to the nearest hundred is 900
87.3809 is already rounded to the nearest hundred thousandths. 87.3809 rounded to the nearest thousand is 87.381.
.2673
0
0
0
678 is rounded nearest hundred is 700