m is milli or 1/1000 M is mega or x 106
The base unit is (m) and the symbol is (l) !
In the metric system, "mega" is a prefix that denotes a factor of one million, represented by the symbol "M." For example, 1 megabyte is equal to 1 million bytes, and 1 megawatt is equal to 1 million watts.
The metric prefix for billionth is nano- (symbol: n), representing 10^(-9).
The metric system prefix for the quantity 0.000001 is micro- (symbol: μ).
Pico (symbol p) is a prefix in the metric system denoting one trillionth.
It doesn't have either. It's a compound word.
Mega
The prefix "milli-" represents the smallest value, which is one thousandth of the base unit. It is denoted by the symbol "m" in the International System of Units (SI).
milli or in symbol: m. E.g. mm is millimetre, mA is milliampere.
milli or in symbol: m. E.g. mm is millimetre, mA is milliampere.
milli or in symbol: m. E.g. mm is millimetre, mA is milliampere.
1x10^9 = Giga http://en.wikipedia.org/wiki/SI_prefix
Milli- symbol is m, meaning is one thousandth. Deci- symbol is d, meaning is one tenth. Nano- symbol is n, meaning is one billionth. Centi- symbol is c, meaning is one hundredth.
Mega- (symbol M) is a prefix in the metric system denoting a factor of million
Lowercase m is the SI symbol for metres. Uppercase M is the SI prefix for a million (mega). Journalists seem to like using lowercase m for millions, but journalists are mathematicians or scientists.
It is or- or oro-
the answer is "m" but do not get it confused with "M" because that is a different term