Answer:
The answer is
0.075 kg
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
density = 762 kg/m³
We must first convert the volume from cm³ to m³

So 99 cm³ will be

So the mass of the material is

We have the final answer as
0.075 kg
Hope this helps you