A virus is spreading through a computer network according to the
formula v(t) = 30e^0.1t, where v is the number of computers infected and t is the time in
minutes. How long will it take the virus to infect 10,000 computers?
10,000(t) = 30e^0.1t

The coverage of a base station of a telecommunication company forms a disk with a radius of (kilometers). let be the distance of a cellphone from a base station. assume that the location of cellphones in use are randomly uniformly distributed within the disk. calculate the mean and variance for the random variable.