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 ?
| Day | Number of bacteria per milliliter at end of day |
|---|---|
| 1 | 1.0 X 10^5 |
| 2 | 4.0 X 10^5 |
| 3 | 1.6 X 10^6 |
Day 5
Day 6
Day 7
Day 8
