Question

log3 (1/27)^-/2 *9^-0,5/(1/81)-0,2*3^5

Answer 1

$log_3 (1/27)^{-2} *frac{9^{-0,5}}{frac{1}{81}}-0,2*3^5=\ -2log_3 3^{-3}*9^{-0.5+2}-0.2*243=\ (-2)*(-3)*1*9^{frac{3}{2}}-48.6=\ 6*sqrt{9^3}-48.6=6*27-48.6=113.4$