Question

what will be the digit in the one's place of the squar of --- a) 6123. b) 107089. how to solve​

Answer 1

Answer:

The answers are as follows:

a) 9

b) 1

Step-by-step explanation:

Here, to find the ones place digit of the square of given number.

Just square up the ones place digit of given number.

And the ones place digit of that number will be you answer

For example:

19

First, square up 9

so,

${9}^{2} = 81$

here,

it's unit place digit is 1 and so your answer is one.

for 12

2² =4

so, ones place digit is 4.