Although the model is structural and makes reference to an apparatus, the id, ego and super-ego are purely psychological concepts and do not correspond to (somatic) structures of the brain such as the kind dealt with by neuroscience.
it takes a thousand million to make a billion, so 1,000,000 = 1 million 1,000,000,000 = 1 billion divide 142.98 by 1000= .14298 usually only convert if you have a thousand or â¦more millions. for instance, the US population is 300 million, or .3 billion. but nobody says that.
1,000,000,000 (one billion, short scale; one thousand million or milliard, yard, long scale) is the natural number following 999,999,999 and preceding 1,000,000,001. One billion can also be written as b or bn. In scientific notation, it is written as 1 Ã 109. The SI prefix giga indicates 1,000,000,000 times the base unit.