1.

consider the number 4^n, where n is a natural number.check whether there is any value of n for which 4^n ends with the digit zero​

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Answer:

This means that the prime factorisation of 4n should CONTAIN the prime NUMBER 5. ... Since 5 is not present in the prime factorization, so there is no natural number n for which 4n ends with the digit ZERO



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