Question

A bacteria culture is started with 200 bacteria. After 3 hours, the population of bacteria grows to 800 bacteria. If the population grows exponentially write an explicit formula for the number of bacteria in hours.
How many bacteria will there be in 5 days?

Answer 1

The equation would be:

200+200x=b

x is equal to hours, while b is equal to bacteria. 

Every day has 24 hours. 

24*5= 120

Plug it in.

200+200(120)= 

24200= 5 days of bacteria

I hope this helped you!

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