4400 Higher November 2007 Paper 4 Q14
14
(a) Simplify \(2n \times 3n\) (1)
(b) Simplify \(\dfrac{3x^4y^5}{xy^3}\) (2)
(c) Simplify \((t^3)^4\) (1)
(d) Simplify \((2p^{-2})^{-3}\) (2)
| Scheme | Marks |
|---|---|
| \(6n^2\) | B1 |
| (1) |
Notes
B1: cao
| Scheme | Marks |
|---|---|
| \(3x^3y^2\) | B2 |
| (2) |
Notes
B2: B1 for \(x^3\) or \(y^2\)
| Scheme | Marks |
|---|---|
| \(t^{12}\) | B1 |
| (1) |
Notes
B1: cao
| Scheme | Marks |
|---|---|
| \(\dfrac{p^6}{8}\) | B2 |
| (2) | |
| (6 marks) |
Notes
B2: B1 for \(\frac{1}{8}\) oe or for \(p^6\)