Final answer:
Option B, 33/10, is the correct answer because when converted, it results in 3.3, which is a decimal number.
Step-by-step explanation:
The representation of a decimal number from the options given is B. 33/10. This is because when the fraction 33/10 is converted into a decimal, it becomes 3.3, which clearly shows a number with a decimal point, representing a decimal number. On the other hand, option A is an integer, option C is a proper fraction, and option D is another integer, neither of which are in decimal form.