If t=0 in 1980, find the value of A. Round answer to the nearest million.

P=Ae^kt

225 = 210 * e^ (k * (1990-1980)

225/210=e^10k ln (225/210) = 10k

k=ln (225/210) / 10=0.0069

P = 210*e^ (0.0069t)

for 2000 = ==> t = 2000-1980=20

P = 210*e^ (0.0069*20)

P=241.0749=241