They break down very large numbers into groups of 3 from right to left thus making them easy to read as for example 30,000,000,000 is thirty billion
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it helps by making the number more smallyou can put it in oder from least to greatest this way
Fractions help with numbers that are not whole numbers.
This is due to the Law of Large Numbers. According to this law, the average of a set of numbers is more likely to be closer to the true average.
http://www.kwiznet.com/p/takeQuiz.php?ChapterID=1361&CurriculumID=4 http://www.mathwizz.com/arithmetic/help/help10.htm have a look at these to help you with the answer.
you can minimized using of bigger numbers....instead it is so very simple to cope up with it.....