anonymouses anonymouses

22-09-2017
Mathematics

contestada

whats an irrational number between 9.7 and 9.9

Respuesta :

ethanboshears15 ethanboshears15

22-09-2017

9.5 < x < 9.7
square it
9.52<x2<9.72
90.25<x2<94.09
So pick any number between 90.25 and 94.09 to be x2, as long as it's not a perfect square. So if you pick 91, then
x2=91
x=91−−√→ irrational
approximation is 9.54

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