Question : The value of $\sqrt {10 ^{-6} \times 0.25 }$.
Option 1: 0.0025
Option 2: 0.0005
Option 3: 0.25
Option 4: 0.50
Correct Answer: 0.0005
Solution :
$\sqrt {10 ^{-6} \times 0.25 }$
$=10^-3\times 0.5$
$=0.0005$
Hence, the correct answer is 0.0005.
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