4MA0 Higher January 2016 Paper 4 Q25
25 \(y = 16 \times 10^{8k}\) where \(k\) is an integer.
Find an expression, in terms of \(k\), for \(y^{\frac{5}{4}}\)
Give your answer in standard form.
(3)
| Scheme | Marks |
|---|---|
| 32 or 3.2 or \(10^{10k}\) | M1 |
| \(32 \times 10^{10k}\) | M1 |
| \(3.2 \times 10^{10k + 1}\) Answer: \(3.2 \times 10^{10k + 1}\) | A1 |
| (3) |