Quesion 1 the density of gold is 193times104kgm3 a mass of, Ask an Expert

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Quesion 1: The density of gold is 1.93×104kg/m3 . A mass of 192g of gold is shaped into a cube. What is the length of each edge? = ? cm

Question 2: A flat slab of styrofoam, with a density of 32 kg/m3, floats on a lake. What minimum volume must the slab have so that a 34kg boy can sit on the slab without it sinking? Express your answer to two significant figures and include the appropriate units.

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