(10*(-6))^2=3600
(10*6)^2=3600
(10*(-0,4))^2=16
(10*0,4)^2=16
(10*3)^2=900
(10*0,03)^2=0,09
(10*0,5)^2=25
(10*(-1))^2=100
(10*0)^2=0
