you deposit $120 in an investment account that earns 7% annual interest compounded annually. what is the…

you deposit $120 in an investment account that earns 7% annual interest compounded annually. what is the balance of the account after 8 years?

you deposit $120 in an investment account that earns 7% annual interest compounded annually. what is the balance of the account after 8 years?

Answer

Explanation:

Step1: Identificar la fórmula de interés compuesto

La fórmula de interés compuesto es $A = P(1 + r)^t$, donde $A$ es el monto final, $P$ es el principal (cantidad inicial depositada), $r$ es la tasa de interés anual expresada como decimal y $t$ es el número de años.

Step2: Convertir la tasa de interés a decimal

Dado que $r = 7%=0.07$, $P = 120$ y $t = 8$.

Step3: Sustituir valores en la fórmula

$A=120\times(1 + 0.07)^8$.

Step4: Calcular $(1 + 0.07)^8$

$(1 + 0.07)^8=1.07^8\approx1.718186$.

Step5: Calcular el monto final

$A = 120\times1.718186\approx206.18$.

Answer:

$206.18$