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A paving block is is in the shape of a prism, the area of it' cross section being 154cm^2.The prism i 17cm long ad the material from whih it is made has a density of 2.2g/cm^3. Calculate the mass of the paving block.

Please can you tell me the method aswell

thanks

1 answer

Volume of prism
= cross-sectional area * height
= 154 cm2 * 17 cm
= 2618 cm3
Density = 2.2 g / cm3

Mass
= volume * density
= 2618 cm3 * 2.2 g / cm3

= 5759.6 g
= 5760 g (approx.)