Mathematics, 31.01.2020 21:04 inlace1161

(really need fast) the speed of sound is approximately 1.2x10^3 km/h. how long does it take for sound to travel 7.2 x 10^2 km? write the answer in minutes.

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(really need fast) the speed of sound is approximately 1.2x10^3 km/h. how long does it take for sou...