1. The problem is to convert 0.02 per cent into a decimal or fraction. 2. Recall that "per cent" means "per hundred," so 0.02 per cent is $0.02$ out of 100. 3. To convert per cent to decimal, divide by 100: $$0.02\% = \frac{0.02}{100}$$ 4. Calculate the division: $$\frac{0.02}{100} = 0.0002$$ 5. Therefore, 0.02 per cent equals 0.0002 as a decimal. 6. In fraction form, this is $$\frac{2}{10000}$$ or simplified to $$\frac{1}{5000}$$. 7. Summary: 0.02 per cent = 0.0002 decimal = $\frac{1}{5000}$ fraction.