Standard Form: WJEC GCSE Numeracy Intermediate June 2022 Unit 1 Q10

Your progress

Ticks are kept only in this browser: clearing your browsing data or changing device loses them. · ·

Numeracy Intermediate June 2022 Unit 1 Q10

WJECIntermediateCurrent spec2 marksStandard Form

10. 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 \(5.1 \times 10^{9}\) \(5 \times 10^{8}\)