![a^{-n}=\frac{1}{a^3}\\-----------------------\\\\U^{-3}=\frac{1}{U^3}\\\\therefore\\\\\frac{1}{U^3}=\frac{1}{125}\ \ \ \ \ |inverse\ both\ sides\\\\U^3=125\\\\U=\sqrt[3]{125}\\\\\boxed{U=5}\ because\ 5^3=125](/tpl/images/0755/2947/7996f.png)
I really need help please c:
U^-3=1/125
U=?...
Answers: 1
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