It is 0.9, exactly as in the question.
It is already in decimal form and is normally expressed as 0.01
It is already in decimal form.
Expressed as a decimal, this is equal to 1.65.
.09
.09
0.40 is already in decimal form.
19/20 is equal to 0.95 in decimal form. 1920 is already written in decimal form.
5/9 is equal to .555555555555... in decimal form.
Expressed as a decimal, this is equal to 0.148.
Expressed as a decimal, this is equal to 0.18.
Expressed as a decimal, this is equal to 2.
Expressed as a decimal, this is equal to 0.2.