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Q.

Find the value of √7 (square root 7) by using the root table.


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a

2.6522

b

2.746

c

2.646

d

2.616 

answer is C.

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Detailed Solution

Concept- Squares as well as square roots Both ideas are diametrically opposed to one another. Squares are the numbers that are produced when a value is multiplied by itself. In contrast, a number's square root is a value that, when multiplied by itself, returns the original value. Both are Hence, vice-versa approaches. For instance, 2 is squared to provide 4, and 2 is the square root of 4, giving 2. The area of a square form is frequently used to explain square numbers. A square has equal lengths on each of its four sides.
By using the square root table, one can find the square root.
Square root table from 5 to 11.
 

Number

Square root

5

2.236

6

2.449

7

2.646

8

2.828

9

3.000

10

3.162

11

3.317

Hence, the correct answer is option 3) √7 is  2.646.
 
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