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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0:58 minutes

Problem 162

Textbook Question

Write each decimal as a percent. 0.83

Verified step by step guidance

Understand that converting a decimal to a percent involves multiplying the decimal by 100.

Recall that multiplying by 100 is the same as moving the decimal point two places to the right.

Take the decimal 0.83 and move the decimal point two places to the right.

After moving the decimal point, you will have a new number.

Add the percent symbol (%) to the number obtained after moving the decimal point.

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Key Concepts

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

Decimal to Percent Conversion

To convert a decimal to a percent, you multiply the decimal by 100 and add a percent sign. For example, to convert 0.83 to a percent, you calculate 0.83 × 100, which equals 83. This process is fundamental in understanding how to express a part of a whole in percentage terms.

Understanding Percentages

A percentage represents a fraction of 100. It is a way to express how much of something there is relative to a total. For instance, 83% means 83 out of every 100 parts, which helps in comparing quantities and understanding proportions in various contexts.

Real-World Applications of Percentages

Percentages are widely used in real-life situations, such as calculating discounts, interest rates, and statistics. Understanding how to convert decimals to percentages allows individuals to make informed decisions in finance, shopping, and data interpretation, enhancing their analytical skills.