Answer :
The meaning of this annotation: "| |" is Absolute value.
- It is important to note that the absolute value of a negative number = a positive number.
Solving for : |2(-7.5)|
- Step 1: Expand the bracket
|2(-7.5)| = |2 x (-7.5)|
= |-15|
- Step 2: The absolute value of |-15| is :
|-15| = 15
Therefore, |2(-7.5)| = 15
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