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A number multiplied by itself produces a square number.

The original number is the square root of a square.

So, the square root of 17.4 which is written as √ 17.4 = ±4.1713 (4dp)

NOTE : The answer can be +4.1713 or -4.1713 as each number when squared (multiplied by itself) produces the positive number 17.4

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15y ago

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