4. Un pais tiene 4 millones de habitantes. Con una tasa de crecimiento exponencial de k=.007704, ¿cuántos años tardará la población en crecer a 4.5 millones? Utilice: A (t) = A (0) e A (k*t) #

Abank manager wants to encourage new customers to open accounts with principals of at least $2 comma 500. he decides to make a poster advertising a simple interest rate of 3%. what must the principal be if the bank manager also wants to advertise that one can earn $10 the first month? can the poster correctly say, "open an account of $2 comma 500 and earn at least $10 interest in 1 month! "?