Mathematics 0580 · IGCSE · Limits of accuracy

Limits of accuracy — practice question

Given $P = 2w + 2h$. $w = 11$ and $h = 9.5$, each correct to 2 significant figures.
(main)[3]

Determine the lower bound and the upper bound for $P$.

Worked solution & mark scheme

This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “The lower bound is $39.9$.” …

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