Foundation January 2021 Paper 2R Q15
15
(a) Simplify \(\;(3k^2)^4\) (2)
(b) Simplify \(\;(21m^4n) \div (3n^{-5})\) (2)
| Scheme | Marks |
|---|---|
| \(81k^8\) | B2 |
| (2) |
Notes
B2: B1 for 81 or \(k^8\) seen in their final answer.
| Scheme | Marks |
|---|---|
| \(7m^4n^6\) | B2 |
| (2) | |
| (4 marks) |
Notes
B2: B1 for \(7m^4\) or \(n^6\) in a product with no other terms in \(m\) or \(n\)