Mathematics 0580 · IGCSE · Exponential growth and decay

Exponential growth and decay — practice question

(a)[3]

Find the value for $r$.

(b)[3]

Calculate the total interest gained after 11 years.

(c)[3]

Calculate the value for $p$.

Worked solution & mark scheme

This 9-mark question has a full step-by-step worked solution and mark scheme. One marking point: “The correct value is $2.5$.” …

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