0
0.0769
0.3846
1.9118
0.0769
2.6
0.5385
5
0.0029
0.3889
7925805.15
0.2036
The answer depends on the significance of "almost". If I owed 12.9 billion and someone took 13 billion, then I would not be happy about it. Having said that, 12.9 billion rounded to the nearest billion is 13 billion.