In mathematics, percentages are frequently employed to represent portions or ratios of a whole. Percentages are used in various fields, including finance, statistics, and everyday life. Converting decimals to percentages is a fundamental skill that enables us to express decimal values as percentages. This article will demonstrate how to convert the decimal 0.2 to a percentage using a step-by-step approach.
Key Facts
- Multiply the decimal number by 100. This is because percent means “per hundred.” So, by multiplying the decimal by 100, we are essentially finding an equivalent fraction with 100 as the denominator.
0.2 * 100 = 20
- Write the result as a percentage. The answer is 20%. This means that 0.2 is equal to 20 out of 100 or twenty hundredths.
So, 0.2 can be expressed as 20 percent.
Method
To convert 0.2 to a percentage, we can follow these steps:
- Multiply the Decimal by 100
The first step involves multiplying the decimal number by 100. This is because the term “percent” means “per hundred.” By multiplying the decimal by 100, we are essentially finding an equivalent fraction with 100 as the denominator.
0.2 * 100 = 20
- Write the Result as a Percentage
The result obtained from the multiplication is written as a percentage. The answer is 20%. This means that 0.2 is equal to 20 out of 100 or twenty hundredths.
Conclusion
In summary, to convert 0.2 to a percentage, we multiply the decimal by 100 and express the result as a percentage. Therefore, 0.2 can be expressed as 20 percent. This conversion is useful in various applications where percentages are employed to represent proportions or ratios.
References
- Question Video: Writing a Decimal as a Percent | Nagwa
- Express 0.2 as a percentage
- What is 0.2 as a percentage? (0.2 as a percent)
FAQs
What does “percent” mean?
Percent means “per hundred.” It is a way of expressing a proportion or ratio as a fraction of 100.
How do I convert a decimal to a percentage?
To convert a decimal to a percentage, multiply the decimal by 100 and add the percent sign (%).
Why do we multiply the decimal by 100 to convert it to a percentage?
Multiplying the decimal by 100 essentially changes the denominator of the fraction to 100. This allows us to express the value as a percentage, which is a fraction with a denominator of 100.
What is 0.2 as a percentage?
0.2 as a percentage is 20%.
How do I write 0.2 as a percentage?
To write 0.2 as a percentage, multiply 0.2 by 100 and add the percent sign (%). Therefore, 0.2 as a percentage is 20%.
Can I use a calculator to convert 0.2 to a percentage?
Yes, you can use a calculator to convert 0.2 to a percentage. Simply multiply 0.2 by 100 and press the percent button.
What are some examples of how percentages are used in everyday life?
Percentages are used in various aspects of everyday life, such as:
– Calculating discounts and sales tax
– Expressing interest rates on loans and savings accounts
– Determining percentages of votes in elections
– Measuring survey results and opinion polls
How can I improve my understanding of percentages?
To improve your understanding of percentages, you can:
– Practice converting decimals to percentages and vice versa.
– Solve word problems involving percentages.
– Use percentages in real-life situations, such as calculating discounts or interest rates.