Respuesta :

√100=50 is false
√100=10

√121=11 is true
11*11=121

√361=19 is true
19*19=361

[tex] \sqrt{\frac{4}{9} } [/tex]=2/3 is true
[tex]\sqrt{\frac{4}{9} }[/tex] = [tex] \frac{ \sqrt{4} }{ \sqrt{9} } [/tex] = [tex] \frac{2}{3} [/tex]

Answer:

false

true

true

True