Simplify the Following Expressions to Show That Subtraction Is Not

question 135

Short Answer

Simplify the following expressions to show that subtraction is not an associative operation. 12 - (4 - 2) = __________ (12 - 4) - 2 = __________

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Definitions:

Pertussis

Also known as whooping cough, a highly contagious respiratory tract infection characterized by severe coughing fits.

Arterial Blood Gases

A test that measures the levels of oxygen and carbon dioxide in arterial blood, used to assess lung function and acid-base balance.

Respiratory Acidosis

A medical condition characterized by decreased acidity in the blood and other body fluids due to the accumulation of carbon dioxide as a result of impaired lung function.

Metabolic Acidosis

A condition where the body produces excessive acid, or the kidneys are not removing enough acid from the body, leading to a decrease in blood pH.