Question

Help me solve this
And please explain

Answer 1

`(-2)^3=-8\\ \left((3)/(4)\right)^2=(9)/(16)`

Answer 2

`(-2)^3=(-2)*(-2)*(-2)=-8\\\\\\\left((3)/(4)\right)^2=(3^2)/(4^2)=(3*3)/(4*4)=(9)/(16)`