Mathematics 0580 · IGCSE · Limits of accuracy

Limits of accuracy — practice question

Three identical cuboids are stacked to make a tower. The height of a single cuboid is $6.5\ \text{cm}$, accurate to the nearest millimetre. The diagram is NOT TO SCALE.
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Calculate the upper bound for the height of the tower.

Worked solution & mark scheme

This 2-mark question has a full step-by-step worked solution and mark scheme. One marking point: “$3 \times (6.5+0.05)$” …

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