If n is a natural number, then find the
ending digit of 9^n-5^n
Answers
Answered by
2
Answer:
9^n-5^n=4^n
I hope this the right answer
Answered by
4
Answer:
as 9^n ends with 1 and 5^n ends with 5 so 9^n-5^n will always end with 6
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