0580/12 Feb/Mar 2025, Question 2: Introduction to Percentages
Cambridge IGCSE Mathematics 0580 · Paper 12 (Core) · Non-calculator · 3 marks
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The question, in short
Convert the decimal 0.07 into three different forms: a percentage, a fraction, and standard form.
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Part (a) · 1 mark
Express 0.07 as a percentage.
- 10.07 × 100 = 7
- 27%
Answer7
Part (b) · 1 mark
Write 0.07 as a fraction.
- 10.07 = 7 hundredths
- 2= 7/100
Answer7/100
Part (c) · 1 mark
Write 0.07 in standard form.
- 10.07 = 7 ÷ 100
- 2= 7 × 10⁻²
Answer7 × 10⁻²
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