GCSE · Standard form

Calculating in standard formExam-style questions

Why multiplying and dividing in standard form is just the index laws, why the answer often needs re-standardising, and why adding needs the powers aligned first.

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19 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) Work out (3×10−4)2(3 \times 10^{-4})^2. Give your answer in standard form.

    (b) Work out (2.5×103)2(2.5 \times 10^3)^2. Give your answer in standard form.
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