The correct option is D None of these √(0.9) =√(9/10) =3/√(10) =3/√(10)×√(10)/√(10) =3√(10)/10 =.3× 3.162=.9486 ...

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Fractional Exponent

√0.9=?

Question

$\sqrt{0.9} = ?$

0.3

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0.03

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0.33

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None of these

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Solution

The correct option is D None of these
$\sqrt{0.9}$
$= \sqrt{\frac{9}{10}}$
$= \frac{3}{\sqrt{10}}$
$= \frac{3}{\sqrt{10}} \times \frac{\sqrt{10}}{\sqrt{10}}$
$= \frac{3 \sqrt{10}}{10}$
$= .3 \times 3.162 = .9486$

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