Вычисли степени

1. \(\left(1\dfrac{1}{5}\right)^2=\) [ ];

2.  \(\left(1\dfrac{2}{3}\right)^4=\) [ ];  
   

3.  \(\left(-2\dfrac{1}{3}\right)^3=\) [ ];  
   

4.  \(\left(-1\dfrac{1}{2}\right)^4=\) [ ].