Metric Mastery Practice Test

What is the mass of a standard tennis ball?

60 g 57.0 g 50 g 55 g

Correct Answer:

57.0 g

Explanation:

The key point is that standard tennis balls are manufactured to a specific mass range to ensure consistent play. Officially, tennis balls are within the mid-50s of grams, with a typical target around 57 grams and an allowed range roughly from about 56.0 to 59.4 g. Among the given options, 57.0 g best matches that standard mass and sits squarely inside the allowable range. The heavier option (60 g) would exceed the upper limit, while the lighter options (50 g and 55 g) fall below the minimum. So 57.0 g is the best representation of a standard tennis ball’s mass.

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