# Scientific-notation definition

A method of writing or displaying numbers in terms of a decimal number between 1 and 10 multiplied by a power of 10. The scientific notation of 10,492, for example, is 1.0492 × 104 .
noun
A mathematical expression used to represent any decimal number as a number between one and ten raised to a specific power of ten (Ex.: 4.1 × 100 for 4.1, 4.1 × 101 for 41, 4.1 × 102 for 410, 4.1 × 10-1 for 0.41, 4.1 × 10-2 for 0.041): often used for approximate computations with very large or small numbers.
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Scientific notation is a mathematical expression used to represent a decimal number between 1 and 10 multiplied by ten, so you can write large numbers using less digits.

An example of scientific notation is when you write 4 x 10³ for 4,000.

noun
(mathematics) A method of writing, or of displaying real numbers as a decimal number between 1 and 10 followed by an integer power of 10
noun
(mathematics) An alternative format of such a decimal number immediately followed by E and an integer.

The number 0.00236 is written in scientific notation as 2.36×10−3 or as 2.36E-3.

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