Answer :
[tex]8.96 \frac{g}{cm} ^3[/tex]
Explanation : To find density, we can use the formula as given below;
density ρ =
[tex]\frac{mass(m)}{volume(v)}[/tex]
Here, we have the mass as 89.6 g and the volume is ,
on calculating we get,
This means that the density of the copper sample is