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Deepa estimates $2$ to one decimal place. She knows $1. 4^{2} = 1.96$ and $1. 5^{2} = 2.25$ .
Which one-decimal estimate is correct for $2$ ?

Class 8Estimating Square RootsSquares and Roots

A1.3
B1.4
C1.5
D1.6

Step-by-Step Solution

1. 4^{2} = 1.96

is just below 2 and

1. 5^{2} = 2.25

is above. 2 is closer to 1.96, so

2

is about 1.4.

Answer: B) 1.4

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