Question

what could be the possible ones digit of the square root of each of the following
1).1801
2).856
3).1008001
4). 6577525
???​

Answer 1

Step-by-step explanation:

1) 1 or 9

2) 4 or 6

3) 1 or 9

4) 5

Answer 2

1. 1 and 9
2. 4 and 6
3. 1 and 9
4. 5

Hope it helps!!