Question

can we say any n € N , for which 7^n ends with the digit zero?

Answer 1

Not possible 7^n cannot ends with zero.
In unit place,only 7,9,3,1 can possible.

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Answer 2

Answer:

Step-by-step explanation:

there is none. 7^n never ends with zero whatever n is för the simple reason that 7^n is an odd number while any number that ends with zero is even.