Answer:
The answer is 31.4 g
Step-by-step explanation:
The mass of a substance when given the density and volume can be found by using the formula
mass = Density × volume
From the question
volume of metal = 4 cm³
density = 7.85 g/cm³
The mass is
mass = 7.85 × 4
We have the final answer as
31.4 g
Hope this helps you