Ice Station Bravo near the North Pole launched a helium-filled balloon to check atmospheric conditions. At sea level (1.0 atm) where the balloon was launched, it had a volume of 0.93m ^ 3 . It rose to an altitude of 18 000m where the atmospheric pressure dropped to 0.072atm. What is the volume of the balloon at that altitude assuming that the temperature was the same at sea level?
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