Foundation November 2020 Paper 2 Q8
8
(a) Write \(3 \times 3 \times 3 \times 3\) as a power of 3. [1]
(b) Show that the answer to \(2^6 \times 4^{-1}\) is a square number. [3]
| Answer | Marks | Part marks and guidance | |
|---|---|---|---|
| \(3^4\) | 1 | ||
| Answer | Marks | Part marks and guidance | |
|---|---|---|---|
| 64 [×] \(\dfrac{1}{4}\) | 2 | B1 for each correct value | Allow B1 for \(2^6 \div 4\) or 4 seen as a denominator or 0.25 for \(\dfrac{1}{4}\) |
| 16 is a square number oe | 1dep | Dep on 2 previous marks earned | Accept \(16 = 4 \times 4\) or \(16 = 4^2\) |