The space allowed for each tent is a rectangle measuring $$$8 \mathrm{~m}$$$ by $$$6 \mathrm{~m}$$$, each correct to the nearest metre. Calculate the upper bound for the area of the space allowed for each tent. ........................................ $$$\mathrm{m}^{2}$$$

Mathematics

IGCSE&ALevel

CAIE

Exam No：0580_s20_qp_43 Year：2020 Question No：1(d)

Answer:

55.25

Knowledge points:

E1.10.1 Give appropriate upper and lower bounds for data given to a specified accuracy. (e.g. measured lengths.)

E1.10.2 Obtain appropriate upper and lower bounds to solutions of simple problems given data to a specified accuracy. (e.g. the calculation of the perimeter or the area of a rectangle.)

Solution:

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The space allowed for each tent is a rectangle measuring $$\(8 \mathrm{~m}\)$$ by $$\(6 \mathrm{~m}\)$$, each correct to the nearest metre. Calculate the upper bound for the area of the space allowed for each tent. ........................................ $$\(\mathrm{m}^{2}\)$$

Answer:

Knowledge points:

Solution:

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