Answer :
1) = 7 (to the power of 4)
2) = b (to the power of 2)
3) = 3 (to the power of 5)
4) = -2 (to the power of 5)
2) = b (to the power of 2)
3) = 3 (to the power of 5)
4) = -2 (to the power of 5)