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Question Corner -- Scientific Notation in Everyday Life
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Navigation Panel: Previous | Up | Forward | Graphical Version | PostScript version | U of T Math Network Home University of Toronto Mathematics NetworkQuestion Corner and Discussion Area Scientific Notation in Everyday Life Asked by Johnathan Marshall and Christina Dimingko, students, Brookville on December 11, 1996: What is the use of scientific notation in every day life? Scientific notation is needed any time you need to express a number that is very big or very small. Suppose for example you wanted to figure out how many drops of water were in a river 12 km long, 270 m wide, and 38 m deep (assuming one drop is one millilitre). It's much more compact and meaningful to write the answer as roughly 1.23 x 10^(14) than it is to write 123120000000000. For one thing, the scientific notation is easier to read, and makes it much easier to tell at a glance what the order of magnitude is (rather than counting zeros). For another, most of the digits in 123120000000000 are completely me...
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