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
    Work out (4×105)×(5×103)(4 \times 10^5) \times (5 \times 10^3). Give your answer in standard form.
    Level 4 · 3 marksTry it
  2. 2
    Work out 8×1073.2×102\dfrac{8 \times 10^7}{3.2 \times 10^2}. Give your answer in standard form.
    Level 4 · 3 marksTry it
  3. 3
    Work out (3.4×105)+(2.7×104)(3.4 \times 10^5) + (2.7 \times 10^4). Give your answer in standard form.
    Level 4 · 3 marksTry it
  4. 4
    Work out 6×1081.5×10−3\dfrac{6 \times 10^8}{1.5 \times 10^{-3}}. Give your answer in standard form.
    Level 4 · 3 marksTry it
  5. 5
    Work out (6×104)×(7×105)(6 \times 10^4) \times (7 \times 10^5). Give your answer in standard form.
    Level 4 · 2 marksTry it

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