Question

find the greastest perfect square of 5 digit number.​

Answer 1

Answer:

The greatest number with 5 digit is 99999. to find the greatest square number with five digits, we must find the smallest number that must be subtracted from 99999 in order to make a perfect square for what we have to find the square root of 99999 by the long division which is 143

Hence we must subtract 143 to 99999 to get a perfect square 99999-143 = 99856