Simple Interest and Compound Interest (HSC SSCE Mathematics Standard): Quizzes

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Simple Interest and Compound Interest
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What is interest in financial terms?

Money earned when lending or paid when borrowing

What is the key feature of simple interest?

It is always calculated on the principal

In the formula I=PrnI = Prn, what does rr represent?

Rate of interest per period as a decimal

Calculate simple interest on 10,000 USD at 8% p.a. for 2 years using I=PrnI = Prn.

1,600 USD

What formula calculates the amount owed or future value?

A=P+IA = P + I

How does compound interest differ from simple interest?

It calculates interest on interest

Why does compound interest increase each year?

You earn interest on previously earned interest

What is the compound interest formula?

A=P(1+r)nA = P(1 + r)^n

How should 7.5% be expressed in the simple interest formula?

0.075

For monthly compounding over 3 years, what is nn in A=P(1+r)nA = P(1 + r)^n?

36

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