Scientific notation is just a short hand way of expressing gigantic numbers like 1,300,000 or incredibly small numbers like 0.0000000000045. Also known as exponential form, scientific notation has been one of the oldest mathematical approaches. It is favored by many practicioners. If numbers are too big or too small to be simply calculated, people reffer to scientific notation to handle these circumstances. This method is used by engineers, mathematicians, scientists.
answered by:Charly C. Larin
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You subtract the exponent of the denominator from that of the numerator.
Six meters equates to 6 billion nanometers. Six billion nanometers in Scientific Notation = 6 x 109nanometers.
In scientific notation, "n" represents the coefficient or mantissa, which is a number between 1 and 10. It is multiplied by a power of 10, denoted by the exponent, to give the overall value of the number.
To write a number in scientific notation you first need to multiply it by a power of 10 until the only digits that remain are units and decimals. In this case, we multiply by 100 to give 4.68. We multiplied by 100, and 100 is the second power of 10, or 102 so 0.0468 in full scientific notation is 4.68x102
Tell you what: I'll describe the practical use, and then you can find the example. OK ?The practical use of scientific notation is to greatly simplify the writing, reporting,and remembering of very large and very small numbers.