Oh, dude, 2617 rounded to the nearest hundred is 2600. It's like when you're trying to decide if you should wear sweatpants or jeans, and you just go with the safe choice of sweatpants because who really cares, right? So yeah, 2617 is closer to 2600 than 2700. It's not rocket science, just basic math, man.
3000
It is 300 when rounded to the nearest hundred
916 rounded to the nearest hundred is 900
5800
0
It is already rounded to the nearest hundred thousandths. Rounded to the nearest thousands would be 87.381.
0
10000
0
0
678 is rounded nearest hundred is 700
10900