Question 801271
{{{sqrt(27^x)=81}}}
I know that {{{27=3^3}}} and {{{81=3^4}}}
{{{sqrt(27^x)=81}}}
{{{sqrt((3^3)^x)=3^4}}}
{{{sqrt(3^(3*x))=3^4}}}
{{{3^(3x)=(3^4)^2}}}
{{{3^(3x)=3^8}}}
{{{3x=8}}}
{{{highlight(x=8/3)}}}