Bill has a perfect cube of an unknown substance. The density of the substance is 3.0 g/cm. He
found the mass of the cube to be 81 9. What is the length of one side of the cube?
Find the volume first:
volume from calculation = ___cm x__cm x__cm (vol. of a cube)

The volume of the cube of unknown substance is . The length of one side of the cube is 9 cm

Explanation:

As per the formula of mass and density, Mass / Density equals to volume. Therefore as the mass of the cube was given to be 81 g and the density of the cube is known to be 3.0 g/,, to help Bill find out the volume. It is the ratio of mass and density and can be calculated as

As it is a cube, the volume is product of length, breadth, and height. Here, all sides are same as it is the cube.

answer: c.

explanation: