sacred
sacred
31-08-2017
Mathematics
contestada
What is the value of ?
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apologiabiology
apologiabiology
01-09-2017
remember
[tex]\frac{x^m}{x^n}=x^{m-n}[/tex]
and
[tex]x^{-m}=\frac{1}{x^m}[/tex]
so
[tex]\frac{3^2}{3^4}=3^{2-4}=3^{-2}=\frac{1}{3^2}=\frac{1}{9}[/tex]
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