Perform this operation and report the answer to the correct number of significant figures: What is the mass of a cube of aluminum that is 3.0 cm on each edge? The density of aluminum is 2.7 g/cm3. Show all calculations leading to an answer.

Question

Perform this operation and report the answer to the correct number of significant figures:  What is the mass of a cube of aluminum that is 3.0 cm on each edge?  The density of aluminum is 2.7 g/cm3.  Show all calculations leading to an answer.

matt101 · Answer

density = mass / volume

You're given density and asked to find mass. That means you need to know volume as well. You can figure out volume from the information provided in the question! What do you get for the mass?