Answer :
Given;
Diameter of the sphere = 8.4 x 10⁷ km
Let's find the volume of the sphere.
To find the volume of the sphere, apply the formula:
[tex]V=\frac{\pi d^3}{6}[/tex]Where:
d = 8.4 x 10⁷
π = 3.14
Thus, we have:
[tex]\begin{gathered} V=\frac{3.14*(8.4*10^7)^3}{6}=\frac{1.86\times10^{24}}{6} \\ \\ V=3.1\times10^{23}\text{ km}^3 \end{gathered}[/tex]Therefore, the volume of the sphere is:
[tex]3.1\times10^{23}\text{ km}^3[/tex]ANSWER:
[tex]3.1\times10^{23}\text{ km}^3[/tex]