Explanation Given information: The expression is | − 6 24 | . Concept used: The absolute value of a number a denoted by | a | , is the distance from a to 0 on the real number line. Distance is always positive or zero so | a | ≥ 0 for every number a . The absolute value of a , where a is a real number can be given as below: | a | = { a if a ≥ 0 − a if a < 0 The expression | a . b | can also be written as, | a . b | = | a | | b | The expression | a b | can also be written as, | a b | = | a | | b | Calculation: The given expression is | − 6 24 | To determine (b) To calculate: The value of expression | 7 − 12 12 − 7 | .

7th Edition

ISBN: 9781305115545

Author: James Stewart, Lothar Redlin, Saleem Watson

Publisher: Cengage Learning

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Chapter P.2, Problem 72E

To determine

(a)

To calculate:

The value of expression |−624|.

To determine

(b)

To calculate:

The value of expression |7−1212−7|.

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Chapter P.2, Problem 71E

Chapter P.2, Problem 73E

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