Write the Expression with Only Positive Exponents and Evaluate If $$\left( \frac { 2 } { 3 } \right) ^ { - 4 }$$

question 408

Multiple Choice

Write the expression with only positive exponents and evaluate if possible. Assume all variables represent nonzero real
numbers.
- $$\left( \frac { 2 } { 3 } \right) ^ { - 4 }$$

• A) \(\frac { 81 } { 16 }\)
• B) \(\frac { 16 } { 81 }\)
• C) \(- \frac { 81 } { 16 }\)
• D) \(- \frac { 16 } { 81 }\)

---

Definitions:

Labor Productivity

A measure of economic output per unit of labor input, often assessed as output per hour worked.

Quality of Labor

Refers to the skill levels, education, training, and productivity of workers within an economy.

Imports Volume

The total quantity of goods and services brought into a country from abroad over a specific time period.

Exports Volume

The total quantity of goods and services a country sells to foreign countries within a specified timeframe.