A cylinder has 40 holes evenly spaced around its surface. Each hole has a diameter of 2.5mm. One end of the cylinder is sealed with an end cap and the other end is connected to a vacuum air pump. 40 spheres, each with a weight of 0.75 grams, have a diameter of 4.5mm will be placed over each hole in the cylinder. Calculate the minimum suction power (in Pascals) required to produce the pressure in order to hold the spheres to the cylinder.

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