Final answer:
The average speed of the airplane is 733.33 km/h.
Step-by-step explanation:
To find the average speed of the airplane, divide the total distance traveled by the time it took to travel that distance. In this case, the airplane traveled 4,400 km in 6 hours. So, the average speed would be 4400 km / 6 hours = 733.33 km/h.
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