find the digit at unit place of 3n if n is 9?
Answers
Answered by
5
If n= 9
Then 3*9= 27
So 7 is at unit digit
Then 3*9= 27
So 7 is at unit digit
mansi57:
thank you
No problem. It feel good to help u sis
again thank you
sorry buy that is not correct answer
I checked it in my answer book
the correct answer is 3
Answered by
5
If n= 9
Then 3*9= 27
So 7 is at unit digit
Then 3*9= 27
So 7 is at unit digit
Similar questions