Question: A spherical balloon is partially blown up and its surface area is measured. More air is then added, increasing the volume of the balloon.

A spherical balloon is partially blown up and its surface area is

A spherical balloon is partially blown up and its surface area is measured. More air is then added, increasing the volume of the balloon. If the surface area of the balloon expands by a factor of 2.10 during this procedure, by what factor does the radius of the balloon increase? The radius of the balloon increases by a factor of

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