Respuesta :

Answer :[tex]\rho = 7.9\ g/cm^3[/tex]

Explanation :

It is given that

Mass of iron, m = 39.5 g

Volume of iron, [tex]V = 5\ cm^3[/tex]

So, density is :

density, [tex]\rho =\dfrac{mass}{volume}[/tex]

[tex]\rho =\dfrac{39.5g}{5cm^3}[/tex]

[tex]\rho = 7.9\ g/cm^3[/tex]