find the gretest number of seven digits which is a perfect square. also find its square root

Answer 1

well,
1000^2 = 1,000,000, which is the smallest 7-digit number.
10 times that will be 8 digits.
√10 = 3.1622, so
3162^2 = 9,998,244
3163^2 = 10,004,569