Question

. Which digit is at the units place of (109)??​

Answer 1

Step-by-step explanation:

The squares of those numbers end in 1 which end in either 1 or 9. The squares of 161 and 109 would end in 1. Property 3. When a square number ends in 6, then the number whose square it is, will have 4 or 6 in its unit place.

Answer 2

⭐Required answer:-

9 is at the units place.