ANSWERS: 2
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Since mass is the measure of the amount of "stuff" in something and weight of a mass is the force that the earth pulls on the mass… Isn’t something missing in your question? E.G. Where are the measurements taken? What is the temperature of these objects? What are the requirements for measurement uncertainty?
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1)50g /(11.3g / cm^3) = 4.4248 cm^3 2)block 5cm on each side = 125 cm^3 Density of Al = 337.5 g /125 cm^3 = 2.70 g / cm^3
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