Respuesta :
The volume of a cube is = a^3 = 6^3= 216 cm^3
Mass of cube = 270 grams
The density of a cube = mass of cube / volume of cube = 270 / 216 = 1.25 g / cm^3
Thus if we have any thing with density more than 1.25 g /cm^3, the cube will float over it