It is: 6.8*10^10
It is: 33,000,000,000,000,000,000 = 3.3*1019 in scientific notation.
There's nothing to change here. There is no advantage or reason to write 7.060 in scientific notation. Technically, however, it could be written as 7.060 × 100, but this is not normally done.
It is: 1.25*10^11
It is: 2,608,000,000,000 = 2.608*1012
1.35 billion = 1.35 x 10^9 OR 1.35e+9
68 billion in scientific notation is written as 6.8 x 10^10.
It is: 6.8*10^10
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
6.32 billion in scientific notation is: 6.32 x 109
Five billion in Scientific Notation = 5 x 109
Four billion in Scientific Notation = 4 x 109
It is: 7.5*10^9 = 7.5 billion in scientific notation
40 billion in Scientific Notation = 4 x 1010
17 billion in Scientific Notation = 1.7 x 1010