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What is the square root of 0.16?

1 Answer

Mar 27, 2018

$\pm 0.4$ $+-0.4$

Explanation:

$note that 0.16 = \frac{16}{100}$ $"note that "0.16=16/100$

$\Rightarrow \sqrt{0.16} = \sqrt{\frac{16}{100}}$ $rArrsqrt(0.16)=sqrt(16/100)$

$\Rightarrow \sqrt{\frac{16}{100}} = \pm \frac{4}{10} = \pm \frac{2}{5} \leftarrow note plus or minus$ $rArrsqrt(16/100)=+-4/10=+-2/5larrcolor(blue)"note plus or minus"$

$\Rightarrow \sqrt{0.16} = \pm \frac{2}{5} = \pm 0.4$ $rArrsqrt(0.16)=+-2/5=+-0.4$

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