Question

qual a raiz quadrada de :
a) 100
b) 81
c) 36
e 7×7 da qual ?

Answer 1

A)10
B)9
C)6
e 7 x 7 e 49

Answer 2

√100 = √2²*5² = 2*5= 10

100/2
50/2
25/5
5/5
1 = 2²*5²

81/3
27/3
9/3
3/3
1 = 3²*3²

√81= √3²*3²= 3.3= 9

36/2
18/2
9/3
3/3
1 = 2²*3³

√36= √2²*3³= 2.3= 6

7*7= 49

√49= √7²= 7

Prontinho....