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[tex]1 \ kg=1000 \ g\\\\1 \ m^3=(100 \ cm)^3=1 \ 000 \ 000 \ cm^3\\\\872 \ \frac{kg}{m^3}=872\cdot\frac{1000 \ g}{1000000 \ cm^3}=(872\cdot\frac{1}{1000}) \ \frac{g}{cm^3}=0,872 \ \frac{g}{cm^3}[/tex]
872 kg/m³ to 0,872 g/cm³