160,000
0.0008
625
It is 10,000.
100,000
100
One half billion divided by 16 is 31,250.
1000000000 / 10000 = 100,000
0.0438
0.0938
31,250
Well, 4 divided by 16 is 1/4, so 16 into 400 billion it must be 100 billion times that. That makes it 25 billion. Or if you like, 400 divided by 16 is 25, leading to the same answer.
0.0032