Resposta :
v = (20.9.5) - 120
v = 900 - 120
v = 780 cm³
1,89 kg = 1890 g
d = m / v
d = 1890 / 780
d = 2,423 g/cm³
---------------------- > 2,423 g/cm³
v = (20.9.5) - 120
v = 900 - 120
v = 780 cm³
1,89 kg = 1890 g
d = m / v
d = 1890 / 780
d = 2,423 g/cm³
---------------------- > 2,423 g/cm³