Question 22798
Your equation is {{{lg[4]x=1/2}}}
So the first step is changing it into exponential form
You should get:
{{{4^(1/2)=x}}}
An exponent to the {{{1/2}}} is just another way to write {{{sqrt(4)}}}
{{{sqrt(4)=2}}}
You don't need to round because it comes out flat!
Hope this helps!