Mathematics 0580 · IGCSE · Limits of accuracy

Limits of accuracy — practice question

(main)[2]

After rewriting each number in the calculation to 1 significant figure, find an estimate for the value of $\frac{4.3 \times 30.7}{6.6 - 1.8}$.

Worked solution & mark scheme

This 2-mark question has a full step-by-step worked solution and mark scheme. One marking point: “This is $\frac{4 \times 30}{7 - 2}$.” …

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