Question

6(h^7)^4, -2(y^5)^6, -(d^3)^5, ((2)^4)^2, ((-3)^2)^2, ((-5)^2)^2

Answer 1

$6 {h}^{28} \ - 2 {y}^{30} \ - {d}^{15} \ {2}^{8} = 256 \ {( - 3)}^{4} = 81 \ {( - 5)}^{4} = 625$