Question

Density of an object is 1.8g/cm cube. Express it in kg/m cube?

Answer 1

we know,
1 g =10^-3 kg
1 cm= 10^-2 m
so,
1.8 g/cm^3 = 1.8 x 10^-3 kg /(10^-2 m)^3
= 1.8 x 10^3 kg /m^3

Answer 2

1 g /cm ³ = 1000 kg / m³
∴ 1.8 g/cm³ = 1.8 × 1000 / m ³
= 1800 kg / m³
= 1.8 × 10³kg / m ³


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