\( \$ 1000 \) are deposited in an account with a \( 8.5 \% \) interest rate, compounded continuously. What is the balance after 5 years? Begin by entering \( P \), or the principal (initial investment). \( P=\$[?] \)
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Bonus Knowledge
To calculate the balance after 5 years with continuous compounding, we use the formula \( A = Pe^{rt} \), where \( A \) is the amount of money accumulated after time \( t \), \( P \) is the principal amount, \( r \) is the annual interest rate (in decimal), and \( t \) is the time in years. Given that \( P = 1000 \), \( r = 0.085 \), and \( t = 5 \): 1. Calculate \( A = 1000 \times e^{(0.085 \times 5)} \). 2. Use an approximate value for \( e \), which is about 2.71828. 3. Calculate \( 0.085 \times 5 = 0.425 \). 4. So, \( A \approx 1000 \times e^{0.425} \). Now, after calculating \( e^{0.425} \approx 1.5288 \): 5. Finally, \( A \approx 1000 \times 1.5288 \approx 1528.80 \). Therefore, the balance after 5 years is approximately \( A \approx \$1528.80 \).