A colony of bacteria is growing exponentially according to the function below, where t is in hours. What will the approximate number of bacteria be after 8 hours?
B(t)=4 *e^0.8t
A. 4,289,241
B. 2407
C. 602
D. 205,968

Question

A colony of bacteria is growing exponentially according to the function below, where t is in hours. What will the approximate number of bacteria be after 8 hours? 
B(t)=4 *e^0.8t
 		A.	4,289,241
 		B.	2407
 		C.	602
 		D.	205,968

anonymous · Answer

That would be 4 x e^0.8 x 8, correct?

anonymous · Answer

yes

anonymous · Answer

Hmm, but it is about 71, and that is not a choice to your question... @acxbox22

anonymous · Answer

these questions are really blah questions and I need help with em..

anonymous · Answer

could you help me with them @DanJS or @ShadowLegendX Or @pooja195

anonymous · Answer

or someone.. xD

acxbox22 · Answer

no @AnswerMyQuestions 
when i put it inot google calculator i get 2407

anonymous · Answer

Hmm...Not with me.

anonymous · Answer

Can you show me exactly what you put in google?

anonymous · Answer

This is what I typed in google: 4 x e^0.8 x 8

acxbox22 · Answer

yeah hold on

acxbox22 · Answer

attachment

anonymous · Answer

And... It gave me 71.2173097118...

anonymous · Answer

Ugh, google gave me the wrong order... :P

anonymous · Answer

It gave me: 4 x (e^0.8) x 8

anonymous · Answer

This is weird... I google 4 x e which gives me 10.8731273138. Then, I multiply 0.8 x 8, which gives me 6.4. then I do 10.8731273138^6.4 and it gives me 4292088.10885. @acxbox22

acxbox22 · Answer

no you have to do
4e^(0.8 x 8) in that order

anonymous · Answer

The answer is B Here is your answer. B(t)=4 *e^(0.8*8) http://www.wolframalpha.com/input/?i=B%28t%29%3D4+*e%5E%280.8*8%29