| Exam Board | OCR |
|---|---|
| Module | C1 (Core Mathematics 1) |
| Year | 2008 |
| Session | June |
| Marks | 4 |
| Paper | Download PDF ↗ |
| Mark scheme | Download PDF ↗ |
| Topic | Indices and Surds |
| Type | Express in form with given base |
| Difficulty | Easy -1.8 This is a straightforward indices question requiring only basic recall of powers of 2 and 4. Each part involves simple recognition (16=4², 64=4³) or a single-step conversion (8=2³=4^(3/2)). No problem-solving or multi-step reasoning required—purely mechanical application of index laws at the most elementary level. |
| Spec | 1.02a Indices: laws of indices for rational exponents |
1 Express each of the following in the form $4 ^ { n }$ :\\
(i) $\frac { 1 } { 16 }$,\\
(ii) 64 ,\\
(iii) 8 .
\hfill \mbox{\textit{OCR C1 2008 Q1 [4]}}