Question: Please read the background on this question and run me through how I would go about answering thanks! Anna,AnhandAmirare each given a sample of an

Please read the background on this question and run me through how I would go about answering thanks!

Anna,AnhandAmirare each given a sample of an unknown polymer and asked to calculate the density of their sample to determine if it could bepolyaniline. They find a published value for the density ofpolyanilineto be 1.33 g cm^-3.

Anna measures the mass of her sample to be 57.3 0.1 g and the volume of her sample to be 42.9 0.2 cm³.

Express the density of Anna's sample in kilograms per cubicmetre, to 3 significant figures. Use the computer format ("e-notation") for scientific notation e.g. the value 0.00015 should be entered as 1.5e-4

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