Change the Logarithmic Expression to an Equivalent Expression Involving an Exponent

Multiple Choice

Change the logarithmic expression to an equivalent expression involving an exponent.
- $\log _ { 1024 } 256 = \frac { 4 } { 5 }$

A) $256 ^ { 4 / 5 } = 1024$
B) $256 ^ { 5 / 4 } = 1024$
C) $\left( \frac { 4 } { 5 } \right) ^ { 1024 } = 256$
D) $1024^{4 / 5} = 256$