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Three students estimate $170$ : Amit says 12, Bina says 13, Chetan says 14.
Which estimate is the most accurate (nearest whole number)?

Class 8Estimating Square RootsSquares and Roots

AAmit (12)
BBina (13)
CChetan (14)
DAll equally wrong

Step-by-Step Solution

1 3^{2} = 169

and

1 4^{2} = 196

. 170 is extremely close to 169, so

170

is about 13. Bina is most accurate.

Answer: B) Bina (13)

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