Question a-samp
A sample of oak has a density of kilograms per cubic meter. The sample is in the shape of a cube, where each edge has a length of meters. To the nearest whole number, what is the mass, in kilograms, of this sample?
A sample of oak has a density of 807 kilograms per cubic meter. The sample is
Hard-difficulty · SAT Math · Ratios, Rates, and Proportional Relationships — Word problems with proportional reasoning. Read the question above, select your answer, and check the full explanation below to understand exactly why the correct choice works.
Answer explanation
Choice A is correct. It’s given that the sample is in the shape of a cube with edge lengths of meters. Therefore, the volume of the sample is , or , cubic meters. It’s also given that the sample has a density of kilograms per cubic meter. Therefore, the mass of this sample is , or kilograms. Rounding this mass to the nearest whole number gives kilograms. Therefore, to the nearest whole number, the mass, in kilograms, of this sample is .
Choice B is incorrect and may result from conceptual or calculation errors.
Choice C is incorrect and may result from conceptual or calculation errors.
Choice D is incorrect and may result from conceptual or calculation errors.
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