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During a heavy downpour, 3.6 cm of rain fell on the whole of Singapore. If the total area of Singapore is 660 square kilometer, calculate the number of liters of water that fell on Singapore during the downpour.
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volume=660 km^2*3.6cm... 1 km=1000 meter=100,000 cm=10^5 cm... km^2=10^10 cm^2... volume=660*2.36*10^10 cm^3... =1,570.8 *10^10 cm^3... =1.5708*10^10 liters
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