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Can u pls help with this i forgot how to do it

Can u pls help with this i forgot how to do it-example-1
User Pumkin
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1 Answer

7 votes

Answer: A (5⁻²)² and D 5²*5⁻⁶.

Explanation:


\displaystyle\\(1)/(5)*(1)/(5) *(1)/(5) *(1)/(5)=\\\\(1*1*1*1)/(5*5*5*5) = \\\\(1^4)/(5^4)=\\\\(1)/(5^4)=\\\\5^(-4)=\\\\5^(-2*2)=\\\\(5^(-2))^2.


5^(-4)=\\\\5^(2-6)=\\\\5^2*5^(-6).

User Alexei Boronine
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