The idea
Every index law follows from writing the powers out. Learners who memorise the laws mix them up; learners who can re-derive one in five seconds never do.
Lesson
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Questions (5)
| Question | Type | Difficulty | Drift | Accuracy |
|---|---|---|---|---|
| Simplify: x⁵ · x³ | mcq | Easy -1.40 | — | — (0) |
| Evaluate: 2⁻³ | numeric | Easy -0.90 | — | — (0) |
| Simplify: (3x²y)³ | mcq | Moderate -0.20 | — | — (0) |
| Evaluate: 16^(3/4) | numeric | Moderate 0.40 | — | — (0) |
| Explain why x⁰ = 1 for any non-zero x. | short | Hard 1.00 | — | — (0) |