Gas tank capacity

The gas tank is a sphere with a diameter of 17.8 m. How many cubic meters of gas can it hold? If 1 kg of paint is enough to paint about 6 square meters, how many kilograms of paint are needed to paint a gas tank?

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You need to know the following knowledge to solve this word math problem:

solid geometry

sphere
surface area

planimetry

area of a shape

Units of physical quantities

mass
unit conversion
density
area

Grade of the word problem

practice for 13 year olds
practice for 14 year olds

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