Find the volume of the solid generated in the following situation. The region R bounded by the graphs of x equals 0, y equals 4 StartRoot x EndRoot, and y equals 16 is revolved about the line y equals 16.

Jessa bought a yoyo from a company that claims that, with each retraction, the string rolls up by 60% of the original length. she sets up a tape measure and throws the yoyo 3 times. her data are charted below. throw length of string (feet) 1 3 2 1.8 3 1.08 jessa wants to find the sum of the length of string after 10 throws. what is the sum of the lengths, rounded to the nearest hundredth?