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Use each number rounded to 1 significant figure to estimate the value of $\frac{\sqrt{3.9 \times 29.3}}{8.9 - 2.7}$. Show all your working.
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: “M1 for \( \sqrt{4} \) and 6 from \(9 - 3\) (allow one error)” …
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