1.

The speed of an airplane is 1240 km per hour. Find the distance coverd by the airplane in 3 hours and 20 months .Also express the distance is scientific notation.

Answer» CONVERTING minutes into HOUR.

60 minutes = 1 hour
1 MINUTE = 1 / 60 hour
20 minutes = 20 X 1/60 hour = 1/3 hour.

Total time •
3+1/3 = 10/3 Hour.

Distance = speed x time
Distance = 1240 x 10 / 3 = 4133.33... Kms.

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