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A track star ran exactly 400 meters in 45.23 seconds. What was the average speed in miles per hour?

Najah

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A track star ran exactly 400 meters in 45.23 seconds. What was the average speed in miles per hour?

A track star ran exactly 400 meters in 45.23 seconds. What was the average speed in miles per hour?

▸ 19.8 miles/h

▸ 19.78 miles/h

▸ 8.844 miles/h

▸ 0.3297 miles/h

▸ 8.84 miles/h

Textbook

General Chemistry: Principles and Modern Applications

General Chemistry: Principles and Modern Applications

Edition: 11^th

Authors: Petrucci, Herring, Madura, Bissonnette

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