What is 0.3% written as a decimal
The Correct Answer and Explanation is:
To express 0.3% as a decimal, you need to divide it by 100. The percentage symbol (%) means “per 100,” so when you convert a percentage to a decimal, you move the decimal point two places to the left.
Here’s the process:
- Start with 0.3%.
- To convert it to a decimal, divide 0.3 by 100. 0.3÷100=0.0030.3 \div 100 = 0.0030.3÷100=0.003
So, 0.3% as a decimal is 0.003.
Why This Works:
Percent means “per 100,” so when you convert a percentage to a decimal, you’re essentially finding what fraction of 100 the number represents. Dividing by 100 is the mathematical equivalent of shifting the decimal point two places to the left. The same conversion works for any percentage, no matter how large or small. For example:
- 5% = 5 ÷ 100 = 0.05
- 12% = 12 ÷ 100 = 0.12
- 0.3% = 0.3 ÷ 100 = 0.003
Thus, to express 0.3% as a decimal, the result is 0.003. This decimal form is useful for calculations in mathematics, finance, and science, where percentages often need to be used in formulas or equations.
