Question

show that 4 to the power of an n € N can never end with the digit 0​

Answer 1

Step-by-step explanation:

Let us suppose 4^n = (abcd........)10 by multiplying 10 it will end with a unit digit 0

But we know that prime factorization is 2×5

But 4^n doesn't contain 5 so it will not end with 0

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