The accompanying table shows the number of bacteria present in a certain culture over a 5 hour period, where x is the time, in hours, and y is the number of bacteria. Write an exponential regression equation for this set of data, rounding all coefficients to the nearest hundredth. Using this equation, determine the number of bacteria present after 13 hours, to the nearest whole number.
Hours (x) Bacteria (y)
0 1930
1 2231
2 2426
3 2781
4 3301

Regression equation:
Final
555 342934293429