contestada

Please help! Need the answers to be able to move on.

1.) 26 times 26^8
2.) (-5)^5/(-5)^-6
3.) 8^15 divided by 8^-3
4.) Which expressions are equivalent to 1? Select all that apply.
~-(5/8)^0
~-(-3141)^0
~1291^0
~0^1
~(1/3)^0
~(-0.0008)^0