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The Mega prefix (symbol M) means one million, so you could say the distance is 384 Megameters or 384 Mm. Substituting the metric prefix can make doing calculations easier in your head. Use the prefix that applies to your situation.
Mega is a unit prefix in metric systems of units denoting a factor of one million (10 6 or 1 000 000). It has the unit symbol M. It was confirmed for use in the International System of Units (SI) in 1960. Mega comes from Ancient Greek: μέγας, romanized: mégas, lit. 'great'. [1]
Kilo, mega, giga, tera, peta, exa and zetta are among the binary prefixes used to denote the quantity of something, such as a byte or bit in computing and telecommunications. Sometimes called prefix multipliers, these prefixes are also used in electronics and physics.
The following table of 24 SI prefixes ranging from 10 30 to 10 −30 are currently recognized for use. Prefixes. The simplified table below shows common metric prefixes and the relationship with their place values.
This webpage provides a table of metric prefixes for SI units.
Table of metric system prefixes, symbols, and multiplication factors. The metric system defines prefixes and corresponding symbols for positive and negative powers of 10, as applied to each unit of measure.
A metric prefix is a unit prefix that precedes a basic unit of measure to indicate a multiple or submultiple of the unit. All metric prefixes used today are decadic. Each prefix has a unique symbol that is prepended to any unit symbol.
The origin of the prefix mega- is an ancient Greek word which meant “large.” This prefix appears in a somewhat “large” number of “large” English vocabulary words, such as mega phone, mega hit, and mega byte.
Metric and SI Unit Prefixes. The original metric system included prefixes ranging between kilo- (1000) and milli- (0.001). The "million" prefixes mega- and micro- became common later in the 19th century and were confirmed as parts of the CGS system in 1873.
The first three (Tera, Giga, Mega) are abbreviated with 1 upper case letter (T, G and M, respectively). Then, the rest are 1 lower case letter (k, h, d, c, m, n, p), except deca (da) and micro (μ). So, here goes, the mnemonic I created for the 12 prefixes in sequence: Tera – T he; Giga – G reat; Mega – M an; kilo – k ing; hecto – h ...