When I rounded $$142.857$$ to the nearest hundred, ten, one, tenth and hundredth,was not one of my rounded numbers. 
Overseas Competition->Knowledge Point->Number Theory Modules->Place Value and Number Bases->Applying the Principle of Place Value
$$142.857$$ rounded to nearest: hundred($100$), ten($140$), one($143$), tenth($142.9$) and hundredth($142.86$). 