Question

Calcule as potências a seguir:
a) (1,5)²
b) ( -0,3)³
c) 2 elevado a 7
d) -(-7)²
e) (3/6)²

Answer 1

Explicação passo-a-passo:

a) (1,5)²=(1,5).(1,5)=2,25

b) ( -0,3)³=(-0,3).(-0,3).(-0,3)=-0,027

c) 2^7= (2.2.2.2.2.2.2)=128

d) -(-7)²=-[(-7).(-7)]=-[ +49]=-49

e) (3/6)²=(3)²/(6)²= 9/36