21. In 2019, the population in Modesto is 212,616. The annual growth rate of Modesto is 2%. Write an
exponential model to represent the population of Modesto. Then use this model to estimate the population after 8 years.
A general formula for calculating the population growth rate is Gr = N / t. Gr is the growth rate measured in individuals, N is the change in population, and t is the period of time.
