Answer :
a : 2^8 or 4^4 or 16^2
B : 7^3
C : 9^3 or 3^6
D : (I am guessing the question is for 1331) 11^3
B : 7^3
C : 9^3 or 3^6
D : (I am guessing the question is for 1331) 11^3