What is the mass of a nickel in grams?

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Multiple Choice

What is the mass of a nickel in grams?

Explanation:
When you report a measured quantity, you use the number of significant figures dictated by the instrument’s precision. If the measurement for the nickel’s mass is about 4.84 g, you round to two significant figures to reflect the precision of that reading, giving 4.8 g. So the best answer is the one that shows the mass rounded to two sig figs, which matches how measurements are typically written. Real-world mass of a nickel is close to 5 g, but the data here are being represented with two-significant-figure precision, yielding 4.8 g.

When you report a measured quantity, you use the number of significant figures dictated by the instrument’s precision. If the measurement for the nickel’s mass is about 4.84 g, you round to two significant figures to reflect the precision of that reading, giving 4.8 g. So the best answer is the one that shows the mass rounded to two sig figs, which matches how measurements are typically written. Real-world mass of a nickel is close to 5 g, but the data here are being represented with two-significant-figure precision, yielding 4.8 g.

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