Question 1160547
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Since the compounding is &nbsp;3 &nbsp;times per year &nbsp;(which  means &nbsp;<U>every &nbsp;4 &nbsp;months</U>), 
the time period &nbsp;MUST &nbsp;BE  &nbsp;a multiple of &nbsp;4 &nbsp;months.


So the final and &nbsp;UNIQUELY &nbsp;correct answer is &nbsp;8 &nbsp;(eight, &nbsp;EIGHT) &nbsp;FULL &nbsp;YEARS,


and there is &nbsp;NOTHING &nbsp;TO &nbsp;ROUND &nbsp;in this problem.


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Notice &nbsp;(AND &nbsp;IT &nbsp;IS &nbsp;EXTREMELY &nbsp;IMPORTANT) &nbsp;that in this problem the instruction 
to round to &nbsp;3 &nbsp;decimal points &nbsp;DOES &nbsp;NOT &nbsp;MAKE &nbsp;any sense.



This instruction is written by the person who didn't think on the problem any single minute (!)