1. The surface area of a sphere is given by S = 4πr 2 , where r is the radius. Use MATLAB to compute the radius of a sphere having the surface area 25% greater than that of a sphere of radius 5 m. 2....

1. The surface area of a sphere is given by S = 4πr
²
, where r is the radius. Use MATLAB to compute the radius of a sphere having the surface area 25% greater than that of a sphere of radius 5 m.

2. Write a MATLAB code to take the names of two students, truncate them to the length of one with lesser number of characters, and then compare them to decide which one comes first in an alphabetical list.