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How does compound interest work?

Updated: 12/12/2022
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14y ago

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Compound interest works like this.

Take a principle (The amount of money you deposit) of $10,000.
Lets say that the interest rate is 8% and that it compounds anually.

At the end of one year you would have $10,800.

With simple interest, at the end of two years, you would have $11,600 because you only earn interst on the principle.

After three years you would have $12,400.

However, with compound interest, you will earn interest on not just the principle, but the compounded interest as well.

Therefore, with compound interest, at the end of two years, you would have 11,664.

After three years it would be $12,597.12 and so on.

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What are the major differences between compound interest loan and simple interest loan?

With compound interest, the interest due for any period attracts interest for all subsequent periods. As a result, compound interest, for the same rate, is greater.With compound interest, the interest due for any period attracts interest for all subsequent periods. As a result, compound interest, for the same rate, is greater.With compound interest, the interest due for any period attracts interest for all subsequent periods. As a result, compound interest, for the same rate, is greater.With compound interest, the interest due for any period attracts interest for all subsequent periods. As a result, compound interest, for the same rate, is greater.


How do you know whether a maths question is asking you to work out compound or simple interest?

For the second (and subsequent) periods, if the interest is to be calculated for the original sum PLUS the interest earned so far then it is compound interest. If only the original amount earns interest in all periods then it is simple interest.


What are some of the uses of compound interest in business?

compound interest increases interest more than simple interest


Interest earned on interest is known as?

Compound Interest


Is the annual interest rate the same as simple interest?

Usually no. Most institutions charge (and pay) compound interest, NOT simple interest.Usually no. Most institutions charge (and pay) compound interest, NOT simple interest.Usually no. Most institutions charge (and pay) compound interest, NOT simple interest.Usually no. Most institutions charge (and pay) compound interest, NOT simple interest.

Related questions

What is earning interest on interest?

Compound interest. This is where you work out the interest on a number, then work out the interest on top of the number with the interest added.


Which type of interest is calculated by adding the interest earned to the principal?

compound... yes it is compound interest.


What is the calculation for a simple compound interest rate?

There is simple interest and there is compound interest but this question is the first that I have heard of a simple compound interest.


What are the major differences between compound interest loan and simple interest loan?

With compound interest, the interest due for any period attracts interest for all subsequent periods. As a result, compound interest, for the same rate, is greater.With compound interest, the interest due for any period attracts interest for all subsequent periods. As a result, compound interest, for the same rate, is greater.With compound interest, the interest due for any period attracts interest for all subsequent periods. As a result, compound interest, for the same rate, is greater.With compound interest, the interest due for any period attracts interest for all subsequent periods. As a result, compound interest, for the same rate, is greater.


Is the interest accrued on a student loan simple or compound interest?

its compound interest


How do you know whether a maths question is asking you to work out compound or simple interest?

For the second (and subsequent) periods, if the interest is to be calculated for the original sum PLUS the interest earned so far then it is compound interest. If only the original amount earns interest in all periods then it is simple interest.


What are some of the uses of compound interest in business?

compound interest increases interest more than simple interest


Which of the two is exponential function the simple or the compound interest?

Compound interest.


WHAT does the carrot in the formula for compound interest means?

There is no carrot in the compound interest formula!


How do you solve compound interest formula for n?

It depends on which compound interest formula you mean. Refer to the Wikipedia Article on "Compound Interest" for the correct terminology.


What is earning interest on interest called?

Compound interest


Interest earned on interest is known as?

Compound Interest