Math Problem Statement

Find the amount of money accumulated if you invest $10,000 at 3% interest compounded quarterly for 2 years. Round your answer to the nearest cent.

Solution

To calculate the amount of money accumulated, we will use the compound interest formula:

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

Where:

  • AA is the amount of money accumulated after interest,
  • PP is the principal amount (initial investment),
  • rr is the annual interest rate (in decimal form),
  • nn is the number of times interest is compounded per year,
  • tt is the number of years.

Given:

  • P=10,000P = 10,000,
  • r=0.03r = 0.03 (3% annual interest),
  • n=4n = 4 (quarterly compounding),
  • t=2t = 2 years.

Now, let's calculate AA.

A=10,000(1+0.034)4×2A = 10,000 \left(1 + \frac{0.03}{4}\right)^{4 \times 2}

First, calculate the individual terms:

= 10,000 \left(1 + 0.0075\right)^{8} = 10,000 \left(1.0075\right)^{8}$$ Now, let's compute the value of $$A$$.The accumulated amount of money after 2 years, with an investment of $10,000 at 3% interest compounded quarterly, is approximately **$10,615.99**. Would you like further details or have any questions? Here are 5 related questions you might find useful: 1. How does the frequency of compounding affect the total accumulated amount? 2. What would happen if the interest rate was higher, say 5%? 3. How would the result change if the interest was compounded monthly instead of quarterly? 4. What if the investment duration was 5 years instead of 2? 5. Can the compound interest formula be applied to continuous compounding, and if so, how? **Tip:** The more frequent the compounding, the greater the accumulated amount will be due to interest being applied on interest more often.

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Math Problem Analysis

Mathematical Concepts

Compound Interest
Exponential Growth
Finance

Formulas

Compound interest formula: A = P(1 + r/n)^(nt)

Theorems

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Suitable Grade Level

Grades 9-12