Question

What is the unit digit of the (675849)²​

Answer 1

Answer:

1 is the unit digit of the square of 675849

Answer 2

Answer:

1

Step-by-step explanation:

(675849)²​  = 675849 × 675849

So the units digit will be the same as the units digit of 9 × 9, that is 1 (because 9 × 9 = 81).