Answer: 1/64
Step-by-step explanation:
Answer:
1/64
[tex]a^{-m}=\frac{1}{a^{m}}\\\\(-8)^{-2}=\frac{1}{(-8)^{2}}\\\\ =\frac{1}{(-8)*(-8)}\\\\=\frac{1}{64}[/tex]
