The correct option is D 1.2 √(0.9)×√(1.6) =√(910)×√(1610) =3√(10)×4√(10) =1210=1.2 ...

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Fractional Exponent

√0.9×√1.6=?

Question

$\sqrt{0.9} \times \sqrt{1.6} = ?$

0.12

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1.2

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0.75

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12

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Solution

The correct option is D $1.2$
$\sqrt{0.9} \times \sqrt{1.6}$
$= \sqrt{\frac{9}{10}} \times \sqrt{\frac{16}{10}}$
$= \frac{3}{\sqrt{10}} \times \frac{4}{\sqrt{10}}$
$= \frac{12}{10} = 1.2$

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