Mathematics 0580 · IGCSE · Estimation

Estimation — practice question

(main)[2]

Find an estimate for the value of $\dfrac{6.7 \times 2.1}{18 - 5.9}$ by first changing every number in the calculation to 1 significant figure. 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: “$\frac{7\times2}{20-6}$” …

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