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Pre-Algebra: Writing a Decimal as a Percent A percent gives us a sense of how much of something a number is. Professor Burger shows us that converting a decimal to a percentage is pretty simple. In prior lessons, we've learned how to convert a percentage to a decimal (by dividing by one hundred). In this lesson, we will learn how to convert a decimal to a percentage. To do so, you will multiply the decimal by 100. This is the same as moving the decimal point over two places to the right. Taught by Professor Edward Burger, this lesson was selected from a broader, comprehensive course, Pre Algebra. This course and others are available from Thinkwell, Inc. The full course can be found at The full course covers whole numbers, integers, fractions and decimals, variables, expressions, equations and a variety of other pre algebra topics. Founded in 1997, Thinkwell has succeeded in creating a "next-generation" textbook, one that helps students learn and teachers teach. Capitalizing on the power of new technology, Thinkwell products prepare students more effectively for their coursework than any printed textbook can. Thinkwell has assembled a group of talented industry professionals who have shaped the company into the leading provider of technology-based textbooks. For more information about Thinkwell, please visit
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