What is the mass of a dime in grams?

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Multiple Choice

What is the mass of a dime in grams?

Explanation:
Mass is a measure of how much matter is in an object, and a modern U.S. dime has a very specific, standardized mass. The actual mass of a dime is 2.268 grams, due to its copper-nickel composition. When you round to one decimal place, that becomes 2.3 grams, which is why this option is the best choice. The other numbers are not as close to the dime’s true mass: 2.0 g is noticeably lighter, 2.8 g is noticeably heavier, and 2.5 g is a reasonable guess but farther from 2.268 g than 2.3 g is.

Mass is a measure of how much matter is in an object, and a modern U.S. dime has a very specific, standardized mass. The actual mass of a dime is 2.268 grams, due to its copper-nickel composition. When you round to one decimal place, that becomes 2.3 grams, which is why this option is the best choice. The other numbers are not as close to the dime’s true mass: 2.0 g is noticeably lighter, 2.8 g is noticeably heavier, and 2.5 g is a reasonable guess but farther from 2.268 g than 2.3 g is.

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