Evaluate If Possible $( - 16 ) ^ { 1 / 2 }$

question 191

Multiple Choice

Evaluate if possible. If the expression is not a real number, so state.
- $( - 16 ) ^ { 1 / 2 }$

• A)4
• B)-4
• C)256
• D)not a real number

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Definitions:

Prognosis

A prediction of the likely or expected development of a disease, including chances of recovery.

Illness

A disease or period of sickness affecting the body or mind.

Aetiology

The study of the causes or origins of diseases or conditions, looking into the various factors that contribute to their development.

Diagnosis

The identification of the nature of an illness or other problem by examination of the symptoms.