(a)[1]
Explain why Rahul cannot be certain that Tanvi rounded 4896 correct to the nearest 100.
(b)[2]
Calculate $\frac{6.4 \times 4^2}{17.9 - 6.1}$. Give your answer correct to 3 decimal places.
Mathematics 0580 · IGCSE · Limits of accuracy
Limits of accuracy — practice question
Worked solution & mark scheme
This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “A correct alternative rounding is given (for example, Tanvi rounded to the nearest $10$)” …
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