Compound Interest Answers

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The same amount of principal is invested in different accounts earning the same interest rate. Which of the following accounts would have the greatest accumulated value at the end of one year?

A
An account earning no interest
B
An account earning simple interest
C
An account earning interest compounded annually
D
An account earning interest compounded daily
3

Choose the proper rationale. “In the compound interest equation, time (the variable t) has the biggest effect on the outcome because...”

A
Time is usually the largest number in the equation.
B
Time uses the largest units (years are bigger than dollars or percentages).
C
Time is an exponent while the other units are factors.
D
Time is the independent variable.
5

Certain investments compound interest at different intervals. What effect does the size of the compounding interval have on the yield of the investment?

A
Investments with smaller compounding intervals have a higher yield, because the interest earned is reinvested more quickly and thus gains compound interest more quickly.
B
Investments with smaller compounding intervals have a lower yield, because the interest earned is smaller at each interval.
C
The size of the compounding interval does not affect the total yearly interest percentage rate and only exists for bookkeeping purposes.
D
Investments with smaller compounding intervals have a lower yield, because the bank charges a small fee every time interest is compounded.

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