The correct option is A 0.12
The fraction is given as 12100.
The fraction has 100 as its denominator and as its numerator 12.
To find the decimal form of a fraction, we calculate:
Numerator÷Denominator
Dividing a number by 100 means, the decimal point moves by 2 places to its left.
So, 12100 =12÷100=0.12