GCSE · Indices

Zero and negative indicesExam-style questions

Why anything to the power zero is 1 (not 0), why a negative index means a reciprocal (not a negative number), and why a fraction raised to a negative power flips.

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15 questions · GCSE (Higher) level · mark scheme and worked solution on each · no sign-up to try

DifficultyAllLevel 1Level 2Level 3Level 4Level 5
  1. 1
    (a) Write 3−23^{-2} as a fraction. (1 mark)
    (b) Simplify (x3)−2(x^3)^{-2} (1 mark)
    Level 2 · 2 marksTry it