Question 82639
{{{D = 10*log(I / 10^-12)}}}
{{{I = 5.4*10^(-10)}}}
{{{D = 10*log(5.4*10^(-10) / 10^(-12))}}}
{{{D = 10*log(5.4*10^2)}}}
{{{D = 10*(log(5.4) + 2)}}}
Note that {{{log(10^2) = 2}}}
{{{D = 10*(.732 + 2)}}}
{{{D = 27.32}}} answer