Question 199694
 A cell divides into two identical copies every 4 minutes. How many cells will exist after 5 hours?
t = time in minutes
f(t) = 2^(t/4)
after 5 hrs: 5 * 60 = 300 minutes 
f(t) = 2^(300/4)
f(t) = 2^75
f(t) = 3.78(10^22)