Write the Exponential Equation $729 ^ { 2 / 3 } = 81$

Multiple Choice

Write the exponential equation $729 ^ { 2 / 3 } = 81$ in logarithmic form.

A) $\log _ { 729 } 81 = \frac { 2 } { 3 }$
B) $\log _ { 9 } 729 = 9$
C) $\log _ { 9 } 81 = 2$
D) $\log _ { 729 } 81 = \frac { 3 } { 2 }$
E) $\log _ { 729 } 81 = 3$