posted by Angie on .
The formula N = 10(4') gives N, the number of bacteria present in a culture after t hours. How many hours
does it take for the number of bacteria to grow to 2,560?
a. 2 hours
b. 3 hours
c. 4 hours
d. 5 hours
The answer is c., but is there another way to find this answer besides substituting?