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

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) $- \frac { 16 } { 81 }$