Question 7 0/1 pt 5 3 99 0 Details The doubling period of a baterial population is 20 minutes. At time t = 80 minutes, the baterial population was 60000. What was the exact initial population at time t - 0? Find the size of the baterial population after 3 hours Question Help: Video 1 Video 2 Message instructor Submit Question Question 8 0/1 pt 9 3 99 0 Details The count in a bacteria culture was 400 after 20 minutes and 1300 after 35 minutes. Assuming the count grows exponentially, What was the initial size of the culture? bacteria Find the doubling period. minutes Find the population after 90 minutes. bacteria When will the population reach 10000. minutes