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GED Science Practice Test

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Questions 5–8 refer to the following information. The density of an object can often be used to help identify it. Density is defined as the ratio of the mass of a substance to its volume, or as an equation: If the object has a shape such as a block or a cube, then the volume can be determined by multiplying the length times the width times the height or V = l × w × h Three samples are provided to a student: Sample A is a cube 2 cm on a side, with a mass of 24 grams. Sample B is a 120 gram block with a height of 3 cm, and a width of 2 cm, and a length of 4 cm. Sample C is an irregularly shaped object with a mass of 4 g/cm3 and a volume of 10 cm. What is the density of sample B?
Correct Answer:
5 g/cm³
Explanation:
Correct answer: 5 g/cm³

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