The prefix for one trillion is tera- (1 x 1012) for short scale countries, and exa- (1 x 1018) for long scale countries.
pico
pico
If you mean the American trillion - a 1, followed by 12 zeroes - the prefix is tera.
2/1,000,000,000,000 = 1/500,000,000,000
0.001
mega
The meaning of aero-: 1. In the air aeroplane
1/1000 times
The metric system prefix for the quantity 0.001 is Milli.
The SI prefix meaning one hundredth is "centi-". It represents a factor of 0.01 or 1/100.
mm is short for millimeter - milli is a prefix meaning "1/1000", thus, a mm. is a thousandth's of a meter.mm is short for millimeter - milli is a prefix meaning "1/1000", thus, a mm. is a thousandth's of a meter.mm is short for millimeter - milli is a prefix meaning "1/1000", thus, a mm. is a thousandth's of a meter.mm is short for millimeter - milli is a prefix meaning "1/1000", thus, a mm. is a thousandth's of a meter.
When the metric system was created, the inventors used the Greek word for 1000, kilo, as the prefix meaning 1000. They used the Latin word for 1000, mill, as the prefix meaning 1/1000.