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Rafael deposited US$4000 into an account with 2,7% annual interest, compounded annually. Assuming that no withdrawals are made, how much will he have in the account after 10 years?

Question

Rafael deposited US$4000 into an account with 2,7% annual interest, compounded annually. Assuming that no withdrawals are made, how much will he have in the account after 10 years?

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Solution

Para calcular el monto que Rafael tendrá en su cuenta después de 10 años, utilizamos la fórmula del interés compuesto:

A=P(1+rn)nt A = P \left(1 + \frac{r}{n}\right)^{nt}

Donde:

  • A A es el monto final en la cuenta.
  • P P es el monto principal (US$4000).
  • r r es la tasa de interés anual (2,7% o 0,027).
  • n n es el número de veces que se compone el interés por año (1, ya que es compuesto anualmente).
  • t t es el número de años (10).

Sustituyendo los valores en la fórmula:

A=4000(1+0,0271)110 A = 4000 \left(1 + \frac{0,027}{1}\right)^{1 \cdot 10}

Simplificando dentro del paréntesis:

A=4000(1+0,027)10 A = 4000 \left(1 + 0,027\right)^{10}

A=4000(1,027)10 A = 4000 \left(1,027\right)^{10}

Calculamos (1,027)10 (1,027)^{10} :

(1,027)101,3061 (1,027)^{10} \approx 1,3061

Finalmente, multiplicamos por el monto principal:

A=4000×1,3061 A = 4000 \times 1,3061

A5224,40 A \approx 5224,40

Por lo tanto, Rafael tendrá aproximadamente US$5224,40 en su cuenta después de 10 años.

This problem has been solved

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