Please answer quickly , i have my math exam tomorrow....
Asked by | 21st Dec, 2008, 04:02: PM
Expert Answer:
5n doesnot end with the digit 0 for any value of n.
This is because the only prime in the factorisation of 5n is 5.
So, the uniqueness of the Fundamental Theorem of Arithmetic guarantees that there are no
other primes in the factorisation of 5n.
So, there is no natural number n for which 5n ends with the digit zero.
Answered by | 23rd Dec, 2008, 03:22: PM
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