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The value of $$\sqrt {0.000441} $$   is = ?

A. 0.00021

B. 0.0021

C. 0.021

D. 0.21

Answer: Option C

Solution(By Examveda Team)

$$\eqalign{ & = \sqrt {0.000441} \cr & = \sqrt {\frac{{441}}{{{{10}^6}}}} \cr & = \frac{{\sqrt {441} }}{{\sqrt {{{10}^6}} }} \cr & = \frac{{21}}{{{{10}^3}}} \cr & = \frac{{21}}{{1000}} \cr & = 0.021 \cr} $$

This Question Belongs to Arithmetic Ability >> Square Root And Cube Root

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