Algebra

Absolute Value

Definition of Absolute Value

         

Evaluate 13+27.\lvert 13 \rvert+\lvert -27 \rvert.

Evaluate

52+53. \left| \sqrt{5}-2 \right| + \left| \sqrt{5}-3 \right|.

Evaluate 71.\big\lvert\lvert-7\rvert-\lvert1\rvert\big\rvert.

Let aa be a positive number whose absolute value is 3131. Let bb be a negative number whose absolute value is 1212. What is the value of a+ba+b?

Simplify 811×(55).\left\lvert {\frac{8}{11} \times (-55)} \right\rvert.

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