How Do You Calculate Bacterial Growth Using Exponential Equations?

[hsd]

Homework Statement

The count in a bateria culture was 200 after 15 minutes and 1500 after 40 minutes.

Find the population after 120 minutes.

Homework Equations

A=Pe^(rt)

The Attempt at a Solution

I did
P=60e^(.0806 x 120)
P= 952023.0848 (answer is wrong)

 

[Dick]

Homework Statement

The count in a bateria culture was 200 after 15 minutes and 1500 after 40 minutes.

Find the population after 120 minutes.

Homework Equations

A=Pe^(rt)

The Attempt at a Solution

I did
P=60e^(.0806 x 120)
P= 952023.0848 (answer is wrong)

Your form also doesn't give quite the right answer for t=15 or t=40. I think you might want to keep more decimal points before rounding off.