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6-7.

Simplify each numerical expression.

  1.  

    Simplify within the absolute value signs first.

    The absolute value of is .

  1.  

    First, find the absolute value of.

    The absolute value is the distance a number is away from .
    It is always a non-negative number.
    Since is units away from zero, the absolute value is .
    What is the product of 2(16.75)?

  1.  

    Simplify within the absolute value signs first.

    What is the absolute value for each of these numbers?