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Hi there! Have questions about your homework? At Brainly, there are 60 million students who want to help each other learn. Questions are usually answered in less than 10 minutes. Try it for yourself by posting a question! :D

We are given the density and the length of the cube. We start first by taking note that Density = Mass/Volume and the formula for the Volume of the Cube is s^3, where s is the side or length of the cube. We find first the Volume: V = (2.00 cm)^3 = 8.00 cm^3. Then, to find the mass: (19.32 g / cm^3) (8.00 cm^3) = Mass = 154.56 g.