Business Valuation For Dummies
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The positive value of a number is its absolute value. It tells you the distance of a number from zero on the number line. Placing bars (| |) around a number or expression gives you its absolute value:

  • The absolute value of a positive number is positive. The absolute value of 8 is |8|, which equals 8.

  • The absolute value of a negative number is positive. The absolute value of –8 is |–8|, which equals 8.

Attaching a minus sign (–) negates a number or expression:

  • Negating a positive number makes it negative. To negate the number 3, attach a minus sign to it, changing it to –3.

  • Negating a negative number makes it positive. To negate the number –3, attach a minus sign to it, changing it to –(–3), which equals 3.

About This Article

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About the book authors:

Lisa Holton is a former business editor and reporter for the Chicago Sun-Times. Today, she heads The Lisa Company, a writing, editing, and research firm. She's a writer for corporations, colleges, and nonprofits nationwide, and has written more than 13 books. Jim Bates is vice president, transaction support for the Christman Group, a middle-market investment banking firm based in Palatine, Illinois.

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