Question

11. Calcule as potências:
a) (-3) =
b) (+6)2 =
c) (-12)2 =
d) (-7 + 4)2 =
e) (-4-5) =
f) 72 + (-2)3 =
12. Calcule as raízes quadradas:
a) √81 =
b) √-64 =
c) ³√-27 =
d) - ⁴√16 =​

Answer 1

Resposta:

a) -3

b) +12

c) -24

d) -6

e) -9

f) 66

a) 9

b) -8

c) -3

d) -2