Question

1 – Calcule as potências:
a) (12)2=
b) (−12)2=
c) (−12)3=
d) ( 0,7)² =
e) ( -1,2 )¹ =
f) (−45)3=

pfv me ajude

Answer 1

a) (12)2= 12 x 12 = 144

b) (−12)2= -12 x -12 = 144

c) (−12)3= -12 x -12 x -12 = 1.728

d) ( 0,7)² = 0,7 x 0,7 = 0,49

e) ( -1,2 )¹ = -1,2

f) (−45)3= -45 x -45 x -45 = 91.125