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A sum of $ 5000 is invested at a compound interest rate of 6.3 % per annum. (a)Write down an expression for the value of

A sum of $ 5000 is invested at a compound interest rate of 6.3 % per annum.

(a)Write down an expression for the value of the investment after n full years.

(b)What will be the value of the investment at the end of five years?

(c)The value of the investment will exceed $ 10 000 after n full years.

(i)Write down an inequality to represent this information.

(ii)Calculate the minimum value of n.

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