Question 460653
{{{log(2,(8))-log(2,(4))}}}



{{{log(2,(2^3))-log(2,(2^2))}}}



{{{3*log(2,(2))-2*log(2,(2))}}}



{{{3*(1)-2*(1)}}}



{{{3-2}}}



{{{1}}}



So {{{log(2,(8))-log(2,(4))=1}}}