Question

What could be the possible ones digit of the square root of each of the following number? 1) 1801 2) 856 3) 1008001 4) 6577525 Please give me the answers with full solution

Answer 1

Step-by-step explanation:

a) 1 and 9

b) 4 and 6

c) 1 and 9

d) 5

observe the square of all the 1 digit numbers

Then you will get the method