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By rounding each number to 1 significant figure, determine an estimate for the value of $\frac{2.8 \times 82.6}{27.8 - 13.9}$.
Mathematics 0580 · IGCSE · Estimation
Estimation — practice question
Worked solution & mark scheme
This 2-mark question has a full step-by-step worked solution and mark scheme. One marking point: “The values $3$, $80$, $30$ and $10$ are shown, along with the answer $12$.” …
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