Question 1092727
{{{ matrix(3,3,"","","", (-81)^(-3/4), " =", "","","","")  }}} 
{{{ matrix(3,3, "","","", "", (-(3^4))^(-3/4), " =","","","") }}}
using {{{ (a^b)^c = a^(bc) }}}
{{{ matrix(3,3, "","","",  (-3^-3), " = ", highlight(-1/27) ,"","","") }}}
{{{ matrix(3,3, "","","", "(approx)",  -0.037037, "","","","") }}}