suspended in air by a spring scale, has a measured mass of 9.00 kg. When the rock is submerged in water, the scale reads 3.30 kg. What is the density of the rock? Choose 3.50 x 10^3 kg/m3 1.20 x 10^3 kg/m3 1.91 x 10^3 kg/m3 1.58 x 10^3 kg/m3

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