0580/21 May/Jun 2026, Question 19: Standard Form
Cambridge IGCSE Mathematics 0580 · Paper 21 (Extended) · Non-calculator · 2 marks
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The question, in short
Express 710 000.03 in the form (7.1 × 10ᵃ) + (3 × 10ᵇ) and find the values of a and b.
Summarised in our own words. Use the official paper for the exact wording and any diagrams.
Solution · 2 marks
- 1710 000 = 7.1 × 10⁵, so a = 5
- 20.03 = 3 × 10⁻², so b = −2
Answera = 5, b = −2
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