Write the Exponential Equation in Logarithmic Form $e ^ { - 0.4 } = 0.670 \ldots$

Multiple Choice

Write the exponential equation in logarithmic form. $e ^ { - 0.4 } = 0.670 \ldots$

A) $\ln 0.4 = 0.670$
B) $\ln 0.670 \ldots = 0.4$
C) $\ln 0.670 \ldots = \frac { 1 } { 0.4 }$
D) $\ln 0.670 \ldots = - \frac { 1 } { 0.4 }$
E) $\ln 0.670 \ldots = - 0.4$