A Student Performed Three Measurements to Determine the Density of Water

question 137

Multiple Choice

A student performed three measurements to determine the density of water at 25 $\degree$ C to four significant figures.The known density of water at 25 $\degree$ C to three significant figures is 0.997 g/mL.The student obtained the following results.

The measurements were __________

• A)sufficiently precise but not accurate.
• B)sufficiently accurate but not precise.
• C)both sufficiently precise and accurate.
• D)neither sufficiently precise nor accurate.
• E)not repeated an adequate number of times.

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A type of cancer that develops in the cells of the skin, often due to overexposure to ultraviolet radiation from the sun or other sources.

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A transparent, fragrance-free gas produced by the combustion of carbon compounds and through respiratory processes. It is a component that naturally permeates the air, and is instrumental for the photosynthesis conducted by plants.

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