Always use in scientific notation.
Decimals and scientific notation are permissible for numeric values.
IEEE 754 represents floating point Numbers as base 2 decimal Numbers in scientific notation.
For example a numeric value can be formatted in hexadecimal scientific notation or a series of digits separated into groups with a user-specified punctuation mark.
It is too large to be written in scientific notation and is much larger than a googol, googolplex, and is even larger than Moser's number, another very large number.
