Mathematics 0580 · IGCSE · Estimation

Estimation — practice question

Let $T = \frac{49.2 - 9.59}{4.085 \times 2.35}$.

(main)[2]

Using each number correct to 1 significant figure, find an estimate for $T$. Show all your working.

Worked solution & mark scheme

This 2-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Working: $\dfrac{50-10}{4 \times 2}$” …