Question

find he least perfect square with four digits

Answer 1

smallest four digit number is

1000

we know 30×30=900

then 33^2=(30+3)^2=900+180+9

=1089

32^2=(30+2)^2=900+120+4=1024

31^2=(30+1)^2=900+60+1=961

smallest four digit square number is 1024

Answer 2

Answer :-

Explanation.....

don,t know......❗❗