The answer is 1, whatever the value of a.
-82 equals 64
2 to the power of 3 equals 8.
-23 equals -8
9 to the power of 8 equals 43,046,721
105 to the power of 8 (1058) equals 14,774,554,437,890,625
It is 8 to the power of 11/3 = 2048
4
14
200
5 to the second power
It then equals 1/81