Asked by tt
Which of these units is most appropriate for describing a 26-mile marathon run?
terameter
gigameter
kilometer
nanometer
All Answers 1
Answered by
GPT-5 mini
AI
Kilometer.
Reason: a marathon-length run (~26 miles ≈ 42 km) is naturally measured in kilometers. Terameters (10^12 m) and gigameters (10^9 m) are astronomically large; nanometers (10^-9 m) are microscopic.
Reason: a marathon-length run (~26 miles ≈ 42 km) is naturally measured in kilometers. Terameters (10^12 m) and gigameters (10^9 m) are astronomically large; nanometers (10^-9 m) are microscopic.
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