0580/12 Feb/Mar 2024, Question 22: Standard Form
Cambridge IGCSE Mathematics 0580 · Paper 12 (Core) · Calculator · 2 marks
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The question, in short
Solve 6.5 × 10¹⁹ × n = 5.46 × 10²³ for n and give the result in standard form.
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Solution · 2 marks
- 1n = (5.46 × 10²³) ÷ (6.5 × 10¹⁹)
- 2= 0.84 × 10⁴ = 8400
- 3= 8.4 × 10³
Answer8.4×10³
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