Assuming you mean billion*billion*billion = It is 1*10^27.
It is: 27,000,000,000,000,000 or 2.7*1016 in scientific notation
27,000,000,000
2.7 in fractional notation = 27/10
2.7*101
27,000,000,000 = 27 billion 27,000,000,000,000 = 27 trillion
54.54 = 27/50
27 x 102
15,000,027
27 x 10 to the -3
1,060,003,027
-27 = -((0 x 100) + (2 x 10) + (7 x 1))