| Exam Board | Edexcel |
|---|---|
| Module | C1 (Core Mathematics 1) |
| Marks | 3 |
| Paper | Download PDF ↗ |
| Mark scheme | Download PDF ↗ |
| Topic | Indices and Surds |
| Type | Evaluate numerical powers |
| Difficulty | Easy -1.8 This is a straightforward recall question requiring only knowledge of fractional indices (square root and cube root). It involves two simple calculations with no problem-solving or multi-step reasoning, making it significantly easier than average A-level questions. |
| Spec | 1.02a Indices: laws of indices for rational exponents |
| Answer | Marks | Guidance |
|---|---|---|
| \(= \sqrt{49} + (\sqrt{8})^2 = 7 + 2^2 = 11\) | B1 M1 A1 | (3) |
$= \sqrt{49} + (\sqrt{8})^2 = 7 + 2^2 = 11$ | B1 M1 A1 | (3)Evaluate $49^{\frac{1}{2}} + 8^{\frac{1}{3}}$. [3]
\hfill \mbox{\textit{Edexcel C1 Q1 [3]}}