show that there is no value of n for which ` ( 2^(n) xx 5 ^(n))` ends – InterviewSolution

InterviewSolution

1.	show that there is no value of n for which ` ( 2^(n) xx 5 ^(n))` ends in 5.
Answer» `(2^(n) xx5^(n)) = ( 2xx5)^(n) = 10^(n)` , which always ends in a zero.

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