negative index
What negative index means in Mathematics GCSE, as defined for AQA, Pearson Edexcel.
Definitions of negative index
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Reference: AQA
An index indicating a reciprocal power: 10^-k = 1/10^k for positive integer k.
For a non-zero base a, a⁻ⁿ is the reciprocal of aⁿ.
Topics that use negative index
- Structure and calculation (AQA GCSE)
- Algebra - Notation, vocabulary and manipulation (Pearson Edexcel GCSE)
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