It is 8.91103, exactly as in the question!
Ordinary decimal notation
A googolplex is the number 10googol. Written out in ordinary decimal notation, it is 1 followed by 10,100 zeroes.
This is effectively the same as lining up the decimal points when adding or subtracting ordinary decimal fractions.
The number IS in decimal notation!
3.88 is decimal notation.
9.21x103 in ordinary decimal notation = 9,210
Ordinary decimal notation
A googolplex is the number 10googol. Written out in ordinary decimal notation, it is 1 followed by 10,100 zeroes.
This is effectively the same as lining up the decimal points when adding or subtracting ordinary decimal fractions.
The number IS in decimal notation!
3.88 is decimal notation.
42.4 as decimal notation = 42.4
It is already in decimal notation as 4.8
0.05 is already in decimal notation.
300 is already in decimal notation.
decimal notation of 335 = 335.0
decimal notation of 3.159 = 3.159