Help! I know that the 2nd one is answered but I don't really know if I'm right. I will mark brainliest!

Answer:
there are two correct answers for each problem. for the first problem, the second one and last one are correct, and the second problem you are correct, but the last choice is also correct.
Step-by-step explanation:
1st problem:
2nd choice - 5^6 > 5^5
4th choice - 5^8 = 5^8
2nd problem:
1st choice - correct
4th choice - 5^6 = 5^6