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If the number is x,
then x² is the least 4 digit number.

Least four digit number = 1000
⇒ x² = 1000
⇒ x = √1000
⇒ x = 10√10

0 0 0
the is 32 square which is 1024
read your question first....
If you wanted 32 as answer, write your question correctly.
i did not said what is the square root of the least 4 four digit number know first understood ok
Understood. you can delete it;)
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