Question

1) Calcule:

A) 7.√100=

B) 3².√121=

C) √4+√16=

D) √9+√49=

Answer 1

a)7 ×10 (raiz de 100)=70
b)3^2 × 11 (raiz de 121)=99
c)2 (raiz de 4) + 4 (raiz de 16)=6.
d) 3 (raiz de 9) + 7 (raiz de 49)=10.

Answer 2

A- 7. 10 = 70
B- 3² . 121 = 9 . 11 = 99
C- 2 + 4 = 6
D- 3 + 7 = 10

espero ter ajudado!