Question

which of the following is not perfect square 81000;8100;81;810000​

Answer 1

Answer:

81000 is not a perfect square as the no of zeros are odd.

Mark me the brainliest

Answer 2

Answer:

81000;8100.81, ,810000 all has perfect square

Step-by-step explanation: taking example of 81000:

1. Last digit of the no.is 0

Since 0 is not in the list of no. Which never have a perfect square I.e (2,3,7,8)

2. Add all digit 8+1+0+0+0+=9

3. List of digit roots (1,4,7 or9)

Since 9 is digit roots of 81000

So.81000could be a perfect square.