Simplify the Expression $i ^ { 21 }$ A) $- i$ B) $- 1$

question 100

Multiple Choice

Simplify the expression. $i ^ { 21 }$

• A) \(- i\)
• B) \(- 1\)
• C) \(- 10\)
• D) 1
• E) \(\quad i\)

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Definitions:

Coronary Artery Disease

A type of cardiovascular disease that involves the narrowing or blockage of the coronary arteries, primarily due to atherosclerosis, leading to reduced blood flow to the heart.

Coronary Heart Disease

A condition characterized by the narrowing of the coronary arteries, leading to decreased blood flow to the heart.

Hypoglycemia

A condition characterized by an abnormally low level of glucose (sugar) in the blood, leading to symptoms such as dizziness, confusion, and if severe, comas.

Bloodstream

The flowing blood as it circulates through the heart, arteries, capillaries, and veins in the body, delivering essential nutrients and oxygen.