Răspuns:
(4/3)^2=16/9
(-3/5)^2=9/25
(-5/7)^2=25/49
(2/3)^3=8/27
(-3/4)^3=-27/64
(-5/2)^3=-125/8
(1/3)^4=1/81
(-3/2)^4=81/16
(-4/3)^4=256/81