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

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2.6522

2.746

2.646

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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