40 cm = () decimeter 3.04 kg = () gram 3 kg 50 m = () kilometer 4 square meter 8 square decimeter = () square meter

40 cm = () decimeter 3.04 kg = () gram 3 kg 50 m = () kilometer 4 square meter 8 square decimeter = () square meter

40 cm = [4] decimeter
3.04 kg = [3040] g
3 km 50 m = [3.05] km
4 square meters 8 square decimeters = [4.08] square meters