Question 951050
For a sphere,
{{{V=(4/3)pi*R^3}}}
{{{R^3=(3V)/(4pi)}}}
{{{R=((3V)/(4pi))^(1/3)}}}
I'll do the first one, you follow with the next 2.
{{{R=((3(1416))/(4pi))^(1/3)}}}
{{{R=(1062/(pi))^(1/3)}}}
{{{R=(338.045)^(1/3)}}}
{{{R=6.97}}}{{{cm}}}