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14 December, 06:44

A ruby has a density of 3.9 g/cm³. What is the mass of the ruby, if its volume is 5 cm³?

A. 0.78 g

B. 1.28 g

C. 8.9 g

D. 19.5 g

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Answers (1)
  1. 14 December, 08:27
    0
    Density=mass:volume

    mass=density*volume

    mass=3.9*5=19.5 g
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