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You deposit \( \$ 3000 \) in an account earning \( 2 \% \) interest compounded monthly. How much will you have in the account in 10 years? Round value to the nearest cent. Question Help: Video

Ask by Gross Schultz. in the United States
Feb 26,2025

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Answer

After 10 years, you will have approximately \$3,664.21 in the account.

Solution

The formula for compound interest is:   A = P(1 + r/n)^(nt) Here, P = 3000, r = 0.02 (annual rate), n = 12 (monthly compounding), and t = 10 years. Step 1: Find the periodic rate:   r/n = 0.02/12 ≈ 0.00166667 Step 2: Determine the number of compounding periods:   nt = 12 × 10 = 120 Step 3: Substitute into the formula:   A = 3000(1 + 0.00166667)^120   A = 3000(1.00166667)^120 Step 4: Calculate (1.00166667)^120:   (1.00166667)^120 ≈ 1.22140 Step 5: Multiply by the principal:   A ≈ 3000 × 1.22140 = 3664.21 So, you will have approximately $3,664.21 in the account after 10 years.

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To find out how much you'll have in the account after 10 years with \( \$ 3000 \) deposited at \( 2\% \) interest compounded monthly, you can use the formula for compound interest: \[ A = P \left(1 + \frac{r}{n}\right)^{nt} \] Where: - \( A \) is the amount in the account after time \( t \). - \( P \) is the principal amount (\$3000). - \( r \) is the annual interest rate (0.02). - \( n \) is the number of times interest is compounded per year (12). - \( t \) is the number of years the money is invested or borrowed (10). Plugging in the values: \[ A = 3000 \left(1 + \frac{0.02}{12}\right)^{12 \times 10} = 3000 \left(1 + \frac{0.02}{12}\right)^{120} \] Calculating this step-by-step, you would find that after 10 years, your account will have approximately \( \$ 3,677.64 \). It's like watching your money grow like a little plant: with each compounding month, it gets a little taller! Happy saving! For fun, you might also explore how interest rates impact your savings as you consider future investments. A small change can lead to a big difference over time! Check out savings calculators online to play with different deposit amounts and interest rates and see how your financial garden can flourish!

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