Mathematics 0580 · IGCSE · Exponential growth and decay
Exponential growth and decay — practice question
Mateo places $1250$ into an investment earning compound interest at a rate of $r\%$ per year.
After 6 years, the investment has a total value of $1484$.
(main)[3]
Calculate $r$.
Worked solution & mark scheme
This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Either $2.9$ or $2.901\ldots$” …