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Question

The value of `sqrt(0.000441)` is :


Options:
A .  0.00021
B .  0.0021
C .  0.021
D .  0.069
Answer: Option C

`sqrt(0.000441)` = `sqrt(441/10^6)`  =  `sqrt(441)/sqrt(10^6)` = `21/10^3` = `21/1000` =  0.021



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