Question

If u help me i will be very thankful!!

Answer 1

Answer:

C

Step-by-step explanation:

$(a^{-2}\cdot 8^7)^2= \\\\a^{-2\cdot 2}\cdot 8^{7\cdot 2}= \\\\a^{-4}\cdot 8^{14}$

Therefore, the correct answer is C. Hope this helps!