volume=2m*0.5m*0.25m.density=7.8g/cm3.mass=?
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volume v=2x0.5x0.25m³
density d=7.8g/cm³
mass m= volume x density
m=2x0.5x0.25x7.8
m=1.95g
m=1.95/1000
m=1.95x10-³kg
density d=7.8g/cm³
mass m= volume x density
m=2x0.5x0.25x7.8
m=1.95g
m=1.95/1000
m=1.95x10-³kg
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