Gowan conducted a science experiment on evaporation using a cone-shaped container. The cone had a height of 3 cm and a radius of 2 cm. He filled the cone with a liquid chemical and recorded the time it took to evaporate, which was 15.7 min.
How much of the liquid chemical evaporated each minute? Use 3.14 to approximate pi and express your answer to one decimal place.
____cm3