Step 1 :The question is asking for the values of 'a' and 'b' in the exponential growth model. In this case, 'a' represents the initial population and 'b' represents the growth rate.
Step 2 :The initial population is given as 11,000 organisms. Therefore, 'a' is 11,000.
Step 3 :The growth rate is given as 15.3% per year. In the exponential growth model, this needs to be expressed as a decimal. Therefore, 'b' is 1 + 0.153 = 1.153.
Step 4 :Final Answer: \(a = 11000\) and \(b = 1.153\)