# Rewrite expression without absolute value bars. abs(7- pi)

Rewrite expression without absolute value bars.
$|7-\pi |$
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Theodore Schwartz

Step 1
The given expression is $|7-\pi |$.
Absolute value:
The algebraic definition of absolute value is as follows:
$|a|=\left\{\begin{array}{cc}a& \phantom{\rule{1em}{0ex}}\text{if}\phantom{\rule{1em}{0ex}}a\ge 0\\ -a& \phantom{\rule{1em}{0ex}}\text{if}\phantom{\rule{1em}{0ex}}a<0\end{array}$
Step 2
Now,
$7-\pi >0$
$|7-\pi |=7-\pi$ or approximately 3.858
The absolute value of a positive number is the number within the absolute value bars.