Three point ten.
If the question is about WRITING 12 billion, the answer is 12 000 000 000
"and"
One. As in "12 345 678." This is an 8-digit number ~ 12 million... Rather than commas, a space between groups of 3 is often preferred because the comma is sometimes used to indicate a decimal point. The "period" or decimal point following the 8 can be omitted unless decimals are included, as in writing dollars & cents: $12 345 678.00 The French version would be 12 345 678,00$
points 12
That depends. When writing historical fiction, it matters a lot if you're writing ffrom the point of view of historical figure.
She started writing songs when she was 12
Objective writing
Three point ten.
Spatial
A 12 point can be used on a 4 point " square" or 6 point a hex there are also some specialty hardware that are 12 point
the evidence that supports a point of view.
Six-point-one
the evidence that supports a point of view.
Point Evidence Analyse
sum up the mean point
The speaker (who ever is writing or whose point of view it is) would be the narrator. First person is when writing includes words like I, me, my, we, etc.