Answer:
the answer is c.
Step-by-step explanation:
there's no explanation
Answer:A
Step-by-step explanation:
Answer: 729
Step-by-step explanation:

3^-2 = 1/9
3^-4 = 1/81
(-1)^2 = 1
1/(1/9 * 1/81 * 1)
1/ 1/729 = 729
Answer:
-108
Step-by-step explanation: