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Today at 6:44 AM
Physics

Answered

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

Answer :

Today at 6:50 AM

Density=mass÷volume
mass=density×volume
mass=3.9×5=19.5 g

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