Question 968587
{{{log(30/16)-2*log(5/9)+log(100/243)}}}
={{{log(30/16)-log((5/9)^2)+log(100/243)}}}
={{{log((30/16)*(100/243)/(5/9)^2)}}}
={{{log((30*100*81)/(16*243*25))}}}
={{{log(5/2)}}} or {{{log5-log2}}}
Calculate the value if needed.