Consider the solid obtained by rotating the region bounded by the given curves about the y-axis. y = ln x text(, ) y = 2 text(, ) y = 6 text(, ) x = 0 Find the volume V of this solid.

Aword processing program requires a 7- digit registration code made up of the digits 1,2,4,5,6,7 and 9 each number has to be used and no number can be used mor than once how many codes are possible