Exercice 2: World athletic championships When the world athletic championships took place in 2019 in Doha in Qatar, the following results were recorded. The men's 200 meters was won by Noah Lyles in 19 seconds and 83 hundredths. The women's 800 meters was won by Halimah Nakaayi in 1 minute 58 seconds and 04 hundredths. The men's marathon was won by a Ethopian runner (Lelisa Desisa) in 2 hours 10 minutes and 40 seconds. 1- Calculate in Km/h the average speed of the winner of the men's 200 meters. Give the answer to the nearest hundredth. 2- Calculate in m/s the average speed of the winner of the women's 800 meters. Give the answer to the nearest tenth. 3- Calculate in Km, the distance of the marathon knowing that the IAAF World DOHA average speed of the winner was 19,382 Km/h. Give your answer to the nearest thousandth.
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