Simplify the Numerical Expression

question 235

Short Answer

Simplify the numerical expression. ( 4 ^-1 ) ^{- 2}

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Definitions:

CT

Computerized Tomography, a medical imaging technique that combines multiple X-ray measurements taken from different angles to produce cross-sectional images of specific areas of a scanned object.

Stent-graft

A tube composed of fabric supported by a metal mesh, used to repair damaged or diseased blood vessels.

Balloon Angioplasty

A medical procedure to open narrowed or blocked blood vessels of the heart using a balloon catheter.

Thrombolysis

The breakdown of blood clots by pharmacological means, often used in treating certain types of strokes and heart attacks.