Evaluate the Expression Without Using a Calculator $\left( \frac { 1 } { 9 } \right) ^ { 2 }$

question 133

Multiple Choice

Evaluate the expression without using a calculator.
- $\left( \frac { 1 } { 9 } \right) ^ { 2 }$

• A) \(\frac { 1 } { 18 }\)
• B) \(\frac { 2 } { 9 }\)
• C) \(\frac { 1 } { 11 }\)
• D) \(\frac { 1 } { 81 }\)

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Definitions:

Proteins

Large, complex molecules essential for the structure, function, and regulation of the body's tissues and organs.

Transporting Molecules

The movement of molecules across cell membranes or within cellular compartments, essential for various biological processes.

Cell Membrane

The lipid bilayer surrounding a cell that controls the passage of substances in and out of the cell, maintaining the internal environment.

Concentration of Salts

The measure of the amount of dissolved salts in a solution, which can affect cellular processes and physiological functions.