0+.90+.006
4+.100+.090+.006
It is 6*10^-3.
40+9+.03+.006
4+.1+.09+.006
300 + 20 + 9 + .5 + .04 + .006
6 X 100.
100+60+9+.8+.03+.006
no
Expanded Notation of 60 = (6 x 10) + (0 x 1).
Expanded Notation of 20 = (2 x 10) + (0 x 1)
Expanded Notation of 24 = (2 x 10) + (4 x 1)