Table of contents

0. Review of Algebra4h 18m
1. Equations & Inequalities3h 18m
2. Graphs of Equations43m
3. Functions2h 17m
4. Polynomial Functions1h 44m
5. Rational Functions1h 23m
6. Exponential & Logarithmic Functions2h 28m
7. Systems of Equations & Matrices4h 6m
8. Conic Sections2h 23m
9. Sequences, Series, & Induction1h 22m
10. Combinatorics & Probability1h 45m

0. Review of Algebra

Exponents

College Algebra

0. Review of Algebra

Exponents

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0:36 minutes

Problem 154

Textbook Question

Write each percent as a decimal. 4%

Verified step by step guidance

Understand that a percent is a way of expressing a number as a fraction of 100.

To convert a percent to a decimal, divide the percent value by 100.

For 4%, divide 4 by 100.

This can also be done by moving the decimal point two places to the left.

Write the result as a decimal number.

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Key Concepts

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

Percentages

A percentage is a way of expressing a number as a fraction of 100. It is often used to compare relative sizes or to express how much of a whole is represented by a part. For example, 4% means 4 out of every 100 parts.

Decimal Representation

Decimals are a way of representing fractions in a base-10 system. To convert a percentage to a decimal, you divide the percentage by 100. For instance, 4% as a decimal is calculated as 4 ÷ 100, which equals 0.04.

Conversion Process

The conversion process from percentage to decimal involves a simple mathematical operation. This process is essential in various applications, such as calculating discounts, interest rates, or statistical data, where understanding the relationship between parts and wholes is crucial.