A cube stone has an edge length of 5 decimeters and weighs about 2.7 kg per cubic meter. How many kg does this stone weigh?

A cube stone has an edge length of 5 decimeters and weighs about 2.7 kg per cubic meter. How many kg does this stone weigh?

5 × 5 × 5 = 125 (cubic decimeter) 2.7 × 125 = 337.5 (kg); a: this stone weighs 337.5 kg