How do you write 1.8 as a percentage?
The Correct Answer and Explanation is :
The correct answer is: 180%
To convert a decimal like 1.8 into a percentage, you follow a straightforward process. The first step is to multiply the decimal by 100. This is because a percentage is essentially a way of expressing a number as a fraction of 100.
Step 1: Multiply by 100
[
1.8 \times 100 = 180
]
Step 2: Add the Percentage Sign
After multiplying, you append a percentage sign (%) to the resulting number. Therefore, 1.8 as a percentage is:
[
180\%
]
Explanation of the Conversion Process
Percentages are a fundamental concept in mathematics, used widely in various fields such as finance, statistics, and everyday calculations. They represent a ratio out of 100, making them a convenient way to express proportions. When you have a decimal number, like 1.8, it indicates how many parts out of a whole (in this case, 1) you have. By converting it to a percentage, you are scaling that number to show how it compares to 100.
This process of conversion is useful in many scenarios. For example, if you were calculating a discount on an item priced at $100 and the discount was 1.8 times that base value, expressing that discount as a percentage helps clarify the savings for consumers.
Understanding percentages is also critical in analyzing data. In statistics, converting decimal ratios to percentages makes it easier to interpret results, such as survey responses or demographic information. A percentage gives an immediate sense of the relative size of a value in relation to a total.
In summary, to convert 1.8 into a percentage, you multiply by 100 to get 180%, which provides a clearer understanding of its significance in various contexts.