# Ch 40: Ratios, Proportion, Exponents & Scientific Notation

### About This Chapter

Use this chapter and its educational text and video lessons to get information about ratios, proportion, exponents and scientific notation. Supplement your existing knowledge by studying the lessons and completing the quizzes that are included.

## Ratios, Proportion, Exponents and Scientific Notation - Chapter Summary

The text and video lessons in this chapter will explain the fundamentals of ratios, proportion, exponents and scientific notation. Learn the characteristics of rational numbers, discover how numbers are written utilizing scientific notation, and explore applications for ratios and proportions in the real world. Several examples are included in order to help you perfect your problem-solving techniques. Study the lessons so that you may:

• Identify rational numbers and write them as fractions
• Understand the relationship between proportions and ratios
• Change percents to decimals and fractions
• Interpret and write exponents
• Change numbers to scientific notation

For your benefit, the lessons are short and provide the above information so that it's easily absorbed. Learn visually by watching the video lessons, which last about ten minutes. With one click you can play and pause the videos. Jump from one main topic to the next when you use the video tags. This flexibility will allow you to skim over familiar subjects or further explore concepts that you need to study more intensively. You can read over the text lessons, which also contain quizzes and links to similar topics.

5 Lessons in Chapter 40: Ratios, Proportion, Exponents & Scientific Notation
Test your knowledge with a 30-question chapter practice test
Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
Not Taken
Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
Not Taken

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### Other Chapters

Other chapters within the Ohio Assessments for Educators - Elementary Education (018/019): Practice & Study Guide course

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