How do you find the square root of 3.24?

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How do you find the square root of 3.24?

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Answer 1 · 2015-09-14T20:47:57

Notice how $324$ is a perfect square. $sqrt(324) = pm18$ . Therefore...

$sqrt(3.24) = sqrt(324/100) = sqrt(324)/(sqrt(100))= pm18/10 = color(blue)(pm1.8)$

You can check by determining that $sqrt(3) = 1.732$ and $sqrt(4) = 2$ , and $1.8$ is between them, while being closer to $1.732$ , corresponding to $3.24$ being closer to $3$ than to $4$ .

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How do you find the square root of 3.24?

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