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Ch. R - Review of Basic Concepts
Lial - College Algebra 13th Edition
Lial13th EditionCollege AlgebraISBN: 9780136881063Not the one you use?Change textbook
Chapter 1, Problem 157

Write each percent as a decimal. 2.4%

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1
Recall that to convert a percent to a decimal, you divide the percent value by 100.
Write the given percent as a fraction over 100: \(\frac{2.4}{100}\).
Perform the division by moving the decimal point two places to the left.
Express the result as a decimal number.
Verify that the decimal is less than 1 since the original percent is less than 100%.

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Understanding Percentages

A percentage represents a part out of 100. It is a way to express ratios or fractions with a denominator of 100. For example, 2.4% means 2.4 parts out of 100.
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Converting Percent to Decimal

To convert a percentage to a decimal, divide the percentage value by 100. This shifts the decimal point two places to the left. For instance, 2.4% becomes 0.024 as a decimal.
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Decimal Notation

Decimal notation expresses numbers using a decimal point to separate the whole number from the fractional part. It is a standard way to represent non-integer values in mathematics.
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