Mathematics 0580 · IGCSE · Exponential growth and decay

Exponential growth and decay — practice question

Carlos puts $4540$ into an account that pays compound interest at $r\%$ per year. By the end of $10$ years, the interest accumulated is $1328.54$.
(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: “The expression is $\sqrt[10]{\frac{1328.54+4540}{4540}}$.” …

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI