Posted by Anonymous on Tuesday, July 30, 2013 at 8:38pm.
A spherical balloon has a circumference of 10 inches. If it expands to twice the volume, what happens to its surface area?

Math  Steve, Tuesday, July 30, 2013 at 8:49pm
twice the volume means the radius grows by ∛2
So, the area grows by (∛2)^{2} or ∛4