Standard Form: WJEC GCSE Numeracy Higher June 2022 Unit 1 Q6

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Numeracy Higher June 2022 Unit 1 Q6

WJECHigherCurrent spec2 marksStandard Form

6. The surface area of the Earth is 510 million km².
Write this area in standard form. [2]

…………………… km²

Mark scheme

Scheme	Marks	Comments
\(5.1 \times 10^{8}\)	B2	Allow \(5.10(00....) \times 10^{8}\) B1 for the correct value written in index form, e.g. \(51 \times 10^{7}\) or \(510 \times 10^{6}\) or B1 for the sight of either of the following 51 000 000 and \(5.1 \times 10^{7}\) 5 100 000 000 and \(5.1 \times 10^{9}\) \(5 \times 10^{8}\)