What will be the units digit in the square of 19?
Answers
Answered by
3
Answer:
1 will be the units place of the square of 19 because 9 square is 81
Answered by
1
Answer:
If a number has 1 or 9 in the unit's place, then its square ends in 1. For example: (1)2 = 1, (9)2 = 81, (11)2 = 121, (19)2 = 361, (21)2 = 441.
Similar questions