10 points it’s a picture

Hello there!
The answer should be the third option C.
[tex]g^-^m/g^n[/tex]
Explanation:
↓↓↓↓↓↓↓↓↓↓↓↓
First you had to used apply exponent rule.
[tex]\frac{g^-^m}{g^n}=g^-^m^-^n[/tex]
[tex]=g^-^m^-^n[/tex]
Answer⇒⇒⇒⇒⇒⇒[tex]g^-^m^-^n[/tex]
Hope this helps!
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Have a great day!
-Charlie