Question 607657
{{{3^x=0.4}}}
natLog both sides of the equation
{{{natlog3^x=natlog0.4}}}
{{{natlog3^x}}} can be written as {{{x*natlog3}}}
thus divide both sides by {{{natlog3}}}
{{{x=natlog0.4/natlog3}}}
{{{x=-0.834}}}
This would be the same with any base log.
natlog = log base e