Answer:
The density of the block of wood can be calculated by dividing its mass by its volume.
Density = Mass/Volume
Mass = 6.0 g
Volume = 12.0 cm3 = 0.012 liters
Density = 6.0 g / 0.012 L = 500 kg/m^3
Therefore, the density of the block of wood is 500 kg/m^3.