Oh, dude, 2.2 to the nearest meter is like 2 meters. I mean, technically it's 2.2 meters, but if you wanna round it off all chill and casual, just call it 2 meters and move on with your day. Like, who's gonna be like, "Excuse me, that's actually 2.2 meters, not 2"? Just keep it simple, man.
4 metres
61426.1 to the nearest meter is 61426m
If you mean 8.60m, then rounded to the nearest meter would be 9m.
98.6m rounded to the nearest meter is 99 meters.
There's 100 cm on 1 meter, so the nearest meter would be 5 meter. (500 cm)