Answer:
1/625
Step-by-step explanation:
Exponent Rule: [tex](b^m)(b^n) = b^{m+n}[/tex]
Exponent Rule: [tex]b^{-m}=\frac{1}{b^m}[/tex]
5⁻⁸ · 5⁴ = -8 + 4 = -4
5⁻⁴
1/5⁴
