Question: In a polymer injection process, polystyrene with a density of 1.05 g / cm3 at room temperature and 1.02 g / cm3 at melting temperature.

In a polymer injection process, polystyrene with a density of 1.05 g / cm3 at room temperature and 1.02 g / cm3 at melting temperature. The generated part is a sphere with a radius of 10 cm. Determine the amount of material in grams to be introduced into the mold

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