What is the width of a nickel?

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Multiple Choice

What is the width of a nickel?

Explanation:
Width in a round object means its diameter—the distance across the coin through the center. A nickel’s diameter is about 21.21 millimeters, so 21 millimeters is the closest value among the options. The other numbers are farther from the true diameter, making them less accurate. So the 21 mm option is the best choice.

Width in a round object means its diameter—the distance across the coin through the center. A nickel’s diameter is about 21.21 millimeters, so 21 millimeters is the closest value among the options. The other numbers are farther from the true diameter, making them less accurate. So the 21 mm option is the best choice.

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