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I need help with exponential...

I need help with exponential and logarithmic models. I have 2 questions and 1 hour to complete them.Question 1:

The doubling time of a bacterial population is 15 minutes. After 110 minutes, the bacterial population was 80000.-What was the initial population of bacteria?

-Using your rounded answer for the initial population above (do not round your growth rate), find the size of the bacterial population after 4 hours.Round your answers to the nearest whole bacteriumQuestion 2:

The half-life of Radium-226 is 1590 years. If a sample contains 300 mg, how many mg will remain after 4000 years?

Round your answer to 2 decimal places as needed.

The doubling time of a bacterial population is 15 minutes. After 110 minutes, the bacterial population was 80000.-What was the initial population of bacteria?

-Using your rounded answer for the initial population above (do not round your growth rate), find the size of the bacterial population after 4 hours.Round your answers to the nearest whole bacteriumQuestion 2:

The half-life of Radium-226 is 1590 years. If a sample contains 300 mg, how many mg will remain after 4000 years?

Round your answer to 2 decimal places as needed.

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