Solve these compound interest problems and round your answer to the nearest 100th.

1) Find the final amount for a $500 investment at 10% interest compounded monthly for 15 years.

PLEASE SHOW STEP BY STEP

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Answer:

$2,226.96

Step-by-step explanation:

You are going to want to use the compound interest formula, which is shown below.

[tex]A=P(1+\frac{r}{n} )^{nt}[/tex]

P = initial balance

r = interest rate

n = number of times compounded annually

t = time

First, change 10% into its decimal form:

10% -> [tex]\frac{10}{100}[/tex] -> 0.1

Now lets plug in the values into the equation:

[tex]A=500(1+\frac{0.1}{12})^{15(12)}[/tex]

[tex]A=2,226.96[/tex]

The final amount after 15 years is $2,226.96