Respuesta :

LammettHash

Use the fact that [tex]a<x<b\implies\sqrt a<\sqrt x<\sqrt b[/tex] for non-negative [tex]a,b[/tex].

[tex]\sqrt{81}=9[/tex] and [tex]\sqrt{100}=10[/tex], which means the square root of some number between 81 and 100 has an approximate value of 9.2371.