29-09-2016
Mathematics

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estimate the value of the square root of 122 to the nearest interger

Respuesta :

29-09-2016

Hello,
without any calculator:
Let's x the square root of 122

121<x²<144 ==>11²<x²<12²
==>11<x<12
as 11.5²=11.5*11.5=132.25 ==>11<x<11.5
x is near 11 than from 12
Answer= 11.

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