In 1910, the population of math valley was 15,000. If the population is increasing at an annual rate

In 1910, the population of math valley was 15,000. If the population is increasing at an annual rate of 2.4%, what was the population in 1965?

1965 - 1910 = 55 years of growth.

P(1965) = 15,000 * (1.024)^55
P(1965) = 15,000 * 3.68551018049
P(1965) = 55282.652707 ~ 55,283