Question 939448
{{{(1/2)log((81))+2log((5))+log((8))-log((3))-log((6))}}}

{{{log((81^(1/2)))+log((5^2))+log((8))-log((3))-log((6))}}}

{{{(log((sqrt(81)))+log((25))+log((8)))-(log((3))+log((6)))}}}

{{{log((9*25*8))-log((3*6))}}}

{{{log(((9*25*8)/(3*6)))}}}

{{{log(((cross(9)cross(3)*25*cross(8)4)/(cross(3)1*cross(6)cross(2)1)))}}}

{{{log((25*4))}}}

{{{log((100))}}} ...since base is {{{10}}}, we have

{{{log((100))=2}}}