To get the number before a number, subtract one. To get the number after the number, add one.
384 000 000 000
6,000,000,000
372, 000, 000, 000
580 000 000
115 000 000.
It is written 24 000 000 000 000
460 000 000
No, it can be divided by 2.
1 170 000 000
680 000 000
Before
10 000 000 000 or 1x1010 in standard form.