Posted by **Karen** on Thursday, January 26, 2012 at 10:52pm.

A colony of bacteria is growing exponentially according to the function below, where T is in hours. How many bacteria are there after 7 hours?

B(T)= 4*e^(0.8)T

- Math- Alg 2 -
**Anonymous**, Thursday, January 26, 2012 at 10:55pm
B(T)=4*e^(0.8)(7)

7 for T

B(T)=62.3151

(plugged the equation into a graphing calculator)

- Math- Alg 2 -
**Ryan Douglas**, Friday, January 11, 2013 at 7:26pm
That is completely wrong. I'm sure you didn't type the equation in right or something. The correct answer is 1081-1082 bacteria.

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