Concept explainers
To calculate: The simplified form of the expression
Answer to Problem 18OE
The expression
Explanation of Solution
Given information:
The number
Formula used:
The absolute value of a number n is the denoted as
Calculation:
Consider the number
Recall that the absolute value of a number n is the denoted as
Therefore, the number is read as absolute value of
The modulus sign always open with a negative sign. The product of two negative signs is replaced by a positive sign.
Therefore, simplified form of
Thus, the expression
Chapter 1 Solutions
Algebra: Structure And Method, Book 1
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