Algebra: Scientific Notation
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Question: Find an example from daily life that represents an extremely large or small number. An example of a very large number is 1 light year = 9.4605284 x 1012 kilometers or 9460528400000 kilometers. Write it in scientific notation format as well as regular format. In addition, explain any other advantages of using scientific notation.
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Solution Summary
An example from daily life that represents an extremely large or small numbers are given.
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(1) Imagine the number of bacteria on your skin? Of course we can't see any, but there are an approximate 1500 bacteria
per every cm^2 area of our skin. Taking the total skin area as about 1.8 m^2, we have 1500 * 1.8 m^2 / (1 * 10^-4)
m^2 = 27,000,000 ...
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