Answer: A (5⁻²)² and D 5²*5⁻⁶.
Step-by-step explanation:
[tex]\displaystyle\\\frac{1}{5}*\frac{1}{5} *\frac{1}{5} *\frac{1}{5}=\\\\\frac{1*1*1*1}{5*5*5*5} = \\\\\frac{1^4}{5^4}=\\\\\frac{1}{5^4}=\\\\5^{-4}=\\\\5^{-2*2}=\\\\(5^{-2})^2.[/tex]
[tex]5^{-4}=\\\\5^{2-6}=\\\\5^2*5^{-6}.[/tex]
