Mathematics 0580 · IGCSE · Estimation

Estimation — practice question

(main)[2]

Using each number in the calculation rounded correctly to 1 significant figure, estimate the value of $\frac{5.3\times19.5}{2.49}$.

Worked solution & mark scheme

This 2-mark question has a full step-by-step worked solution and mark scheme. One marking point: “So the rounded calculation is $\frac{5\times20}{2}$.” …

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