Answer:
1/8
Step-by-step explanation:
An exponent signifies repeated multiplication, so you have ...
[tex]\dfrac{8^3}{8^4}=\dfrac{8\cdot 8\cdot 8}{8\cdot 8\cdot 8\cdot 8}=\dfrac{8\cdot 8\cdot 8}{8\cdot 8\cdot 8}\cdot\dfrac{1}{8}\\\\=\boxed{\dfrac{1}{8}}[/tex]
