find the least number of four digits which is a prefect square. Also, find ifs square root.
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Step-by-step explanation:
Smallest 4 digit number is 1000
Therefore smallest four digit number which is perfect square will be near to 1000
(30)^2=900
(31)^2=961
(32)^2=1024
Therefore first four digit perfect square number is 1024 ,so it is smallest.
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