2.1 x 1012 (European Billion) or 2.1 x 109 (American Billion)
2.1 billion in scientific notation is written as 2.1 x 10^9.
"billion" = 109"trillion" = 1012"billion trillion" = 1021
80 billion in scientific notation is: 8.000000e+10
100 billion in scientific notation is: 1.000000e+11
It is: 7.5*10^9 = 7.5 billion in scientific notation
Four billion in Scientific Notation = 4 x 109
"billion" = 109"trillion" = 1012"billion trillion" = 1021
80 billion in scientific notation is: 8.000000e+10
100 billion in scientific notation is: 1.000000e+11
660 billion in Scientific Notation = 6.6 x 1011
Three billion in Scientific Notation = 3 x 109
It is: 7.5*10^9 = 7.5 billion in scientific notation
Four billion in Scientific Notation = 4 x 109
6.32 billion in scientific notation is: 6.32 x 109
Five billion in Scientific Notation = 5 x 109
40 billion in Scientific Notation = 4 x 1010
The scientific notation of 250 billion is: 2.5 x 10^11
17 billion in Scientific Notation = 1.7 x 1010