Raise to the Power or Find the Root $$\left( \frac { 1 } { 64 } \right) ^ { 1 / 2 }$$

Multiple Choice

Raise to the power or find the root. Assume that all variables represent positive real numbers. Write with only positive
exponents.
- $$\left( \frac { 1 } { 64 } \right) ^ { 1 / 2 }$$

A) 8
B) $\frac { 1 } { 8 }$
C) $- 8$
D) $- \frac { 1 } { 8 }$