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A cubic piece of metal measures 7.50cm on each edge. If the metal is nickel, whose density is 8.90 g/cm3, what is the mass of the cube?

Sagot :

mass of a cube = density * volume
volume = length of each side ^3
= 7.5*7.5*7.5 = 521.875 cm ^3
therefore mass = 8.90 g/cm3 *521.875 cm3 = 3754.69

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