GeneralClass 8CBSE
Q
What is 0.3 as a percent?
A
0.3 as a percent is 30% (thirty percent).
Detailed Explanation:
Conversion Method: To convert a decimal to a percent, multiply by 100 and add the % symbol:
- 0.3 × 100 = 30
- Add % symbol = 30%
Why This Works:
- Percent means "per hundred"
- 0.3 means 3 tenths or 3/10
- 3/10 = 30/100 = 30 per hundred = 30%
Different Representations of the Same Value:
- Decimal: 0.3
- Fraction: 3/10
- Percent: 30%
- Ratio: 3:10
Quick Conversion Trick:
- Move decimal point two places to the right
- 0.3 → 03. → 30%
- 0.75 → 075. → 75%
- 0.125 → 012.5 → 12.5%
Real-World Examples:
- 0.3 of students = 30% of students
- 0.3 discount = 30% off
- 0.3 battery life = 30% remaining