The number IS in decimal notation!
3.88 is decimal notation.
decimal notation of 3.159 = 3.159
42.4 as decimal notation = 42.4
decimal notation of 335 = 335.0
0.05 is already in decimal notation.
300 is already in decimal notation.
It is already in decimal notation as 4.8
decimal notation of 960000 = 900000 + 60000
537 in decimal notation = 537.0
The decimal notation for 0.6 percent is 0.006
15 hundredths in a decimal notation = 0.15