Other Bases
While base 10 is normally used for scientific notation, powers of other bases can be used too, base 2 being the next most commonly used one.
For example, in base-2 scientific notation, the number 9 (1001 in binary) is written as:
- 1.125 23 (using decimal representation), or, in E notation,
- 1.001 E11 (using binary and with the letter E now standing for times two to the power).
This is closely related to the base-2 floating-point representation commonly used in computer arithmetic.
Engineering notation can be viewed as base-1000 scientific notation.
Read more about this topic: Scientific Notation
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