\(\displaystyle {\left( { - {1 \over 2}} \right)^0} = 1;\)
\(\displaystyle {\left( {3{1 \over 2}} \right)^2} = {\left( {{7 \over 2}} \right)^2} = {{49} \over 4} = 12{1 \over 4}\) ;
\(\displaystyle {\left( {2,5} \right)^3} = 15,625;\)
\(\displaystyle {\left( { - 1{1 \over 4}} \right)^4} = \left( {{{ - 5} \over 4}} \right)^4 = {{625} \over {256}} = 2{{113} \over {256}}\).
