Question 1184360
{{{10*log((I/10^-12))=129}}}

{{{10*log((I))-10*log((10^-12))=129}}}

{{{10*log((I))-10(-12)=129}}}

{{{10*log((I))+120=129}}}

{{{10*log((I))=9}}}

{{{log((I))=0.9}}}

{{{I=10^(0.9)}}}

{{{I=7.94}}}{{{to}}}{{{three}}}{{{figures}}}