Mashaal Masha
Growth of a Culture of Bacteria
Day Number of bacteria per milliliter at the end of the day
1 2.5 × 105
2 5.0 × 105
3 1.0 × 106

A culture of bacteria is growing at an exponential rate, as shown in the table above. At this rate, on which day would the number of bacteria per milliliter reach $5.12\times 10^{8}$?
Difficulty: Hard
A: 

Day 5

B: 

Day 9

C: 

Day 11

D: 

Day 12