Question

12) Calcule as potências e raízes a seguir:
a) ( +4 )² =
b) ( - 3 )2 =
c) ( +12 )² =
d) ( - 9 )2 =
a) √-169 =
b) √49 =
c) √0 =
d) -√121 =​

Answer 1

Resposta:

a) 16

b) 9

c)144

d)81

a)13

b)7

c)0

d)-11