[tex]\rule{6cm}{1mm}[/tex]
[tex]\boxed{5^{2}=5\times 5=25}[/tex]
[tex]\boxed{2^{4}=2\times 2\times\ 2\times 2=16}[/tex]
[tex]\boxed{1^{9}=1\times 1\times 1\times 1\times 1\times 1\times 1\times 1\times 1=1}[/tex]
[tex]\boxed{0^{10}=0\times 0\times 0\times\ 0\times 0\times 0\times\ 0\times 0\times 0\times 0=0}[/tex]
[tex]\boxed{(-2)^{3}=(-2)\times (-2)\times (-2)=-8}[/tex]
[tex]\rule{6cm}{1mm}[/tex]