Final answer:
The correctly punctuated sentence is: Vacuuming the entire house takes hours.
Step-by-step explanation:
The correctly punctuated sentence is: Vacuuming the entire house takes hours. In this sentence, the subject 'vacuuming the entire house' is followed by a comma, indicating a pause before the verb 'takes'. This comma separates the subject from the rest of the sentence, making it clear and grammatically correct.