find the unit place of 9^99?
Answers
Answer:
The units digit of 99^n is
The units digit of 99^n is9,1,9,1,9,1...
The units digit of 99^n is9,1,9,1,9,1...An odd power makes it a 9.
The units digit of 99^n is9,1,9,1,9,1...An odd power makes it a 9.---------------------------
The units digit of 99^n is9,1,9,1,9,1...An odd power makes it a 9.---------------------------The units digit of 4^n is
The units digit of 99^n is9,1,9,1,9,1...An odd power makes it a 9.---------------------------The units digit of 4^n is4,6,4,6,4...
The units digit of 99^n is9,1,9,1,9,1...An odd power makes it a 9.---------------------------The units digit of 4^n is4,6,4,6,4...An even power makes it a 6.
The units digit of 99^n is9,1,9,1,9,1...An odd power makes it a 9.---------------------------The units digit of 4^n is4,6,4,6,4...An even power makes it a 6.9-6 = 3
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