All uses of the verb and plural of "meter" are spelled "meters". (SI unit is technically "metres".)
3004 because there are 1000 meteres in a km
1m
1.88 meteres
350 square meteres
1.64 m
430cm
about 3 meteres
130 meteres
400
1500 meters
14575 meteres
yes the lowest they can here from is 3 meters the highest recorded in the records was 17 meteres but the average is 13 meteres