Question

Efetue as multiplicações usando a formula √a x √b=√axb
A)√2x√10
B)√2x√5x√7
C)√3x√6x√2
D)3*√2x3*√4

Answer 1

Olá,

a)
√2x√10
√2.10
√20= ⇒2√5
_____________________
b)
√2x√5√7
√2.5.7
√70
______________________
c)
√3x√6x√2
√3x6x2
√36⇒6
______________________
d)
3√2x3√4
9√2.4
9√8
_______________________
Beleza?

Answer 2

a) √20
b) √70
c) √ 36
d) √18*√36 = √648