Zamień jednostki: 2700kg/m3=...g/cm 720kg/m3= 0,09kg/m3= 1,26g/cm3=...kg/m3 22,5g/cm3= 0,00143g/cm3

[latex]2700frac{kg}{m^{3}} = 2700cdotfrac{1000g}{1000000cm^{3}} = 2,7frac{g}{cm^{3}}\\720frac{kg}{m^{3}} = 720cdotfrac{1000g}{1000000cm^{3}} = 0,72frac{g}{cm^[3}\\0,09frac{kg}{m^{3}} = 0,09cdotfrac{1000g}{1000000cm^{3}} = 0,00009frac{g}{cm^{3}}[/latex] [latex]1,26frac{g}{cm^{3}} = 1,26cdotfrac{0,001kg}{0,000001m^{3}} = 1 260frac{kg}{m^{3}}\\22,5frac{g}{cm^{3}} = 22,5cdotfrac{0,001kg}{0,000001m^{3}} = 22 500frac{kg}{m^{3}}\\0,00143frac{g}{cm^{3}} = 0,00143cdotfrac{0,001kg}{0,000001m^{3}} = 1,43frac{kg}{m^{3}}[/latex]