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4024/22 Oct/Nov 2025, Question 12: Standard Form

Cambridge O Level Mathematics 4024 · Paper 22 (Calculator) · Calculator · 3 marks

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The question, in short

Convert 372 000 000 to standard form, then evaluate (2.21 × 10⁵)/(6.5 × 10⁶) and give the result in standard form.

Summarised in our own words. Use the official paper for the exact wording and any diagrams.

Part (a) · 1 mark

Express 372 000 000 in standard form.

  1. 1372 000 000 = 3.72 × 10⁸

Answer3.72 × 10⁸

Part (b) · 2 marks

Calculate (2.21 × 10⁵) ÷ (6.5 × 10⁶), giving the answer in standard form.

  1. 1(2.21 × 10⁵) ÷ (6.5 × 10⁶) = 0.034
  2. 2= 3.4 × 10⁻²

Answer3.4 × 10⁻²

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Also searched as: 4024/22/O/N/25 · 4024_w25_qp_22 · 4024 w25 22 · question 12.
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