\( \$ 1250 \) are deposited in an account with a \( 6.5 \% \) interest rate, compounded continuously. What is the balance after 8 years? \[ F=\$[?] \]
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To find the balance after 8 years with continuous compounding, we can use the formula \( F = Pe^{rt} \), where \( P \) is the principal amount, \( r \) is the interest rate, \( t \) is the time in years, and \( e \) is the base of the natural logarithm (approximately 2.71828). Here, \( P = 1250 \), \( r = 0.065 \), and \( t = 8 \). Let's plug the values into the formula: \[ F = 1250 \times e^{(0.065 \times 8)} = 1250 \times e^{0.52} \] Calculating \( e^{0.52} \) yields approximately 1.6803. Now, \[ F = 1250 \times 1.6803 \approx 2100.38 \] Therefore, the balance after 8 years is approximately \( F = \$ 2100.38 \).