The population in millions of a bacteria culture after r hours is given by y 10 3 a What is the initial population The initial population is i b What is the population after 2 hours The population after 2 hours is i It takes i million bacteria c How long does it take for the population to reach 1000 million bacteria Round your answer to three decimal places million bacteria d What is the doubling time of the population Round your answer to three decimal places The doubling time of the population is i hours for the population to reach 1000 million bacte hours