Question

if "n"is even,the digit at units place of 9^n is​

Answer 1

Answer:

If n is an even number

Then the digit at unit please of 9^n

Is 1

Let n is 2 then 9^n =9²=81→the unit digit

Let n is 4 then 9^n=9⁴=6561

So we are sure that for any even positive value of n The unit digit of 9^n is 1

Hope this helps you friend