Observe following table carefully and fill in the blanks: x x 2 x 2 ± x 0 . 3 0 . 09 0 . 09 ± 0 . 3 0 . 5 0 . 25 _____ _____ 0 . 41 0 . 1681 _____ ± 0 . 41 4 . 1 _____ 16 . 81 _____ 7 . 5 _____ 56 . 25 _____ 1 . 25 1 . 5625 _____ _____

Given that, x x 2 x 2 ± x 0 . 3 0 . 09 0 . 09 ± 0 . 3 0 . 5 0 . 25 _____ _____ 0 . 41 0 . 1681 _____ ± 0 . 41 4 . 1 _____ 16 . 81 _____ 7 . 5 _____ 56 . 25 _____ 1 . 25 1 . 5625 _____ _____ Here we have the value of x from this we can find x 2 , x 2 , and square root value. x x 2 x 2 ± x 0 . 3 0 . 09 0 . 09 ± 0 . 3 0 . 5 0 . 25 0 . 25 ± 0 . 5 0 . 41 0 . 1681 0 . 1681 ± 0 . 41 4 . 1 16 . 81 16 . 81 ± 4 . 1 7 . 5 56 . 25 56 . 25 ± 7 . 5 1 . 25 1 . 5625 1 . 5625 ± 1 . 25

E M B I B E

Explore Mathematics - 8>Chapter 2 - Square Roots>Exercise 2>Q 3

EASY

8th Uttar Pradesh Board

IMPORTANT

Earn 100

Number of digits in the square root of a seven digit square number.

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Important Questions on Square Roots

EASY

8th Uttar Pradesh Board

IMPORTANT

Explore Mathematics - 8>Chapter 2 - Square Roots>Try :

Observe following table carefully and fill in the blanks:

$x$	$x^{2}$	$\sqrt{x^{2}}$	$\pm x$
$0.3$	$0.09$	$\sqrt{0.09}$	$\pm 0.3$
$0.5$	$0.25$	_____	_____
$0.41$	$0.1681$	_____	$\pm 0.41$
$4.1$	_____	$\sqrt{16.81}$	_____
$7.5$	_____	$\sqrt{56.25}$	_____
$1.25$	$1.5625$	_____	_____