Mathematics 0580 · IGCSE · Limits of accuracy

Limits of accuracy — practice question

A square has side length $8\text{ cm}$, rounded to the nearest centimetre.
(main)[2]

Calculate the upper bound for the area of the square.

Worked solution & mark scheme

This 2-mark question has a full step-by-step worked solution and mark scheme. One marking point: “The correct final answer is $72.25$” …

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