Respuesta :

[tex]\sqrt[]{x}=0.4[/tex]

The solution to the above is to find the square of both sides to enable the unknown to stand alone.

[tex]\begin{gathered} \sqrt[]{x}=0.4 \\ \text{square both side} \\ (\sqrt[]{x})^2=0.4^2 \\ x=0.16 \end{gathered}[/tex]

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