Foundation June 2018 Paper 2 Q17
17.
(a)
Which of the following are not written in standard form?
Circle your answers. [1]
\(1{\cdotp}2 \times 10^{3}\) \(12{\cdotp}5 \times 10^{7}\) 12 000 000 7 million \(6{\cdotp}087 \times 10^{6}\)
(b) Calculate \(5 \times (2{\cdotp}6 \times 10^{4})\), giving your answer in standard form. [2]
| Scheme | Marks | Comments |
|---|---|---|
| indicates \(12.5 \times 10^{7}\), 12000000 AND 7 million | B1 |
| Scheme | Marks | Comments |
|---|---|---|
| \(1.3 \times 10^{5}\) | B2 | Award B1 for \(1.3 \times 10^{n}\) or 130000 or \(A \times 10^{5}\) or \(13 \times 10^{4}\). |
| (3) |