Respuesta :
[tex]\dfrac{12^3}{12^7}=\dfrac{12^3}{12^3\cdot 12^4}=\dfrac{12^3}{12^3}\cdot \dfrac{1}{12^4}\\\\=\dfrac{1}{12^4}[/tex]
The 2nd choice is appropriate.
Answer:
The answer is b i took the test like literally 5 min ago
Step-by-step explanation: