Video: Appropriate Units for Estimation

Kerrie Lynskey

Which of the following heights could be the cruising altitude for an airliner? [A] 35000 ft [B] 35000 yd [C] 35000 m [D] 35000 km [E] 35000 miles

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Video Transcript

Which of the following heights could be the cruising altitude for an airliner? 35000 feet, 35000 yards, 35000 meters, 35000 kilometers, or 35000 miles.

To answer the question, we need to think about which unit of measurement would be used to record the altitude of an airliner. Altitude is the height at which the airliner or the airplane flies.

If you’ve ever been on an aircraft before, you know the captain will announce: Ladies and gentlemen, we are now cruising at an altitude of 35000 feet. Altitude is measured in feet. The cruising altitude for an airliner would be 35000 feet.

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