Answer: A) paying your power bill
Step-by-step explanation:
A) In the situation of paying power bill , power bill is countable. There must be an exact amount of money which we would pay . There is no estimation.
B) Adding bacon bits to salad doesn't need an exact number. Its depends on your mind or taste.
C) Buying hamburgers for a cookout doesn't need an exact number. Its depends on your estimation.
D) Ordering flyers to hand out at a political rally doesn't need an exact number. Its depends on your estimation.
Therefore, A is the correct answer.
