\"\"

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Find the balance of an account after \"\" years.

\
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The compound interest formula is \"\".

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Since,compound interest is semiannually,then \"\".

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Here, \"\" and \"\".

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Find the total amount.

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\"\"                            (Compound interest formula)

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\"\"        (Substitute \"\" and \"\")

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\"\"         (Multiply exponents)

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\"\"                  (Simplify)

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\"\"                        (Addition)

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\"\"                         (Use caluculator: \"\")

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\"\"                                 (Multiply)

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Therefore, the balance of an account after \"\" years is\"\".

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\"\"

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The balance of an account after \"\" years is\"\".