Answer:
=2.7 g/cm³
=2700 kg/m³
Explanation:
Density is a ratio of the mass of an object to its volume.
The volume of the named block of aluminium is calculated as follows:
90mL - 75mL= 15mL
15mL = 15 cm³
The mass = 40.5 g
Therefore ρ=m/v
=40.5g/15cm³
=2.7 g/cm³
=2700 kg/m³
