The density of the metal bar shown is 7.89 g/cm^3.The density of the metal bar shown is 7.89 g/cm^3. Determine its mass to the appropriate number of significant figures. (Enter your answer in scientific notation.)Show transcribed image text The density of the metal bar shown is 7.89 g/cm^3. Determine its mass to the appropriate number of significant figures. (Enter your answer in scientific notation.)