b. What volume of the steel has a mass 8kg?.
so 0.10 * 0.10 * 0.10 meters has 1 kg mass (that is1 kg per liter by the way) so this steel has mass of 7.8 kg 8 kg / (7.8 kg/1000cm^3) = 1.026 * 1000 = 1026 cm^3 = 1.026 liter = 0.001026 m*3
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