Simplify the Expression and Write the Answer Without Negative Exponents $- 4 z ^ { - 2 }$

question 67

Multiple Choice

Simplify the expression and write the answer without negative exponents.
- $- 4 z ^ { - 2 }$

• A) \(- \frac { 4 } { z ^ { 2 } }\)
• B) \(\frac { 16 } { z ^ { 2 } }\)
• C) \(\frac { 1 } { 16 z ^ { 2 } }\)
• D) \(- \frac { 1 } { 16 z ^ { 2 } }\)

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Definitions:

Tracheal Tubes

Air-conducting tubes in the respiratory systems of some invertebrates, notably insects, facilitating gas exchange.

Opercula

Flap-like structures in certain animals, such as fish, that cover and protect the gills, or the lid covering the opening of a snail's shell.

Alveoli

Tiny air sacs in the lungs where the exchange of oxygen and carbon dioxide takes place.

Countercurrent Exchange

A mechanism where fluids flow in opposite directions in adjacent channels, maximizing transfer rates of heat, gases, or other substances.