Foundation June 2019 Paper 1 Q21
21
(a) Write \(\;5.7 \times 10^6\;\) as an ordinary number. (1)
(b) Write \(\;0.004\;\) in standard form. (1)
(c) Work out \(\quad \dfrac{2 \times 10^4 + 3 \times 10^5}{6.4 \times 10^{-2}}\) (2)
| Scheme | Marks |
|---|---|
| 5 700 000 | B1 |
| (1) |
| Scheme | Marks |
|---|---|
| \(4 \times 10^{-3}\) | B1 |
| (1) |
| Scheme | Marks |
|---|---|
| 5 000 000 or \(5 \times 10^6\) oe | B2 |
| (2) | |
| (4 marks) |
Notes
B2: If not B2 then award B1 for 320000 or \(3.2 \times 10^5\) oe or
\(5 \times 10^n\) oe where \(n \ne 6\)