The prefix of 9 is "non"
For example, a nonagon is a two-dimensional shape with 9 sides.
nona, or ennea
The metric prefix for billionth is nano- (symbol: n), representing 10^(-9).
The number before 9 is 8.
9. The prefix nona means 9.
The SI nano- prefix means x 10-9
The prefix "nano" = 1/1,000,000,000 indicates 10^-9 or a billionth.
It could either be, non or novem. Check your Oxford England Dictionary, they'll have it. I think. :) Greek (ancient): ennea.
Assuming you mean the American billion (a 1, followed by 9 zeroes), the prefix is Giga, abbreviated "G".
nona- is the prefix meaning 9
The prefix "nano" means ten to the power minus 9. A meter therefore has 10 to the power 9 nanometers; a number which in English is usually called a "billion". The same conversion applies to other places where the prefix "nano" appears - for example, second versus nanosecond.
9b2 , if you mean 9b^(2) then the coefficient is the large prefix number, in this case '9'.
A thousand. The prefix "micro" means 10-6 (a millionth), while the prefix "nano" means 10-9 (a billionth).