If by "M" you mean "mega", the SI prefix for a million, that would be written as 1,650,000.
Deci is the si prefix for one tenth, eg. a decilitre is 0.1litre. It's not really used much, most si units stick to thousands; milli, micro, kilo, mega.
The prefix is milli, abbreviated "m".
There is no special SI prefix for the number 3.
No, a kilometer is 1000 meters (kilo is a Greek prefix used by SI for one thousand. Mega is the prefix for one million)
The SI prefix deci- means one-tenth (1/10) or 0.1. It is used to denote a factor of 10^-1 in the International System of Units.
There is no prefix at all, its just leave as is.
denci is not an SI prefix. centi = 0.01 or one hundredth kilo = 1000 = thousand milli = 0.001 = one thousandth.
Centi- is the SI prefix for 0.01.
One one-thousandth.
Hekto.
Actually, "si" is not a recognized prefix for a factor of 0.01. The prefix "centi-" is commonly used to represent a factor of 0.01 in the metric system.
The prefix "deci" means one tenth. A decimeter is is one tenth of a meter.However, this prefix is not an approved part of the Metric System (SI).The prefix that means one-tenth is deci. The symbol for deci is d. It is a prefix used in the metric system.
If by Myr you mean megayear then "mega" is the SI prefix that represents a factor of one million. Therefore a megayear is one million years.
If by "M" you mean "mega", the SI prefix for a million, that would be written as 1,650,000.
The SI prefix meaning of 0.001 is "milli-". This prefix denotes a factor of 1/1000, so 0.001 can be written as 1 milliunit.
Deci is the si prefix for one tenth, eg. a decilitre is 0.1litre. It's not really used much, most si units stick to thousands; milli, micro, kilo, mega.