SOLUTION: A culture atarted with 6000 bacteria. After 4 hours, it grew to 7800 bacteria. Predict how many bacteria will be present after 18 hours. Round your answear to the nearest whole num
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Question 332866: A culture atarted with 6000 bacteria. After 4 hours, it grew to 7800 bacteria. Predict how many bacteria will be present after 18 hours. Round your answear to the nearest whole number.
I have to use the expoential formula which is N=NoE-kt
I dont really understand how to get the inc. or the answear if you could help it would be much appriciated
Answer by nerdybill(7384) (Show Source): You can put this solution on YOUR website!
A culture atarted with 6000 bacteria. After 4 hours, it grew to 7800 bacteria. Predict how many bacteria will be present after 18 hours. Round your answear to the nearest whole number.
I have to use the expoential formula which is N=NoE-kt
.
Given:
where
N is amount after time t
No is the initial amount
k is the constant rate of growth/decline
t is time
.
Plugging in what is given by the problem we have:
Solve for k:
.
Our general equation is now:
Plugging in 18:
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