Final answer:
Cooked steak is good in the refrigerator for 3-4 days, but temperature control is important to prevent bacterial growth.
Step-by-step explanation:
According to food safety guidelines, cooked steak can be stored in the refrigerator for 3-4 days. It is important to keep the refrigerator temperature at or below 4 degrees C (40 degrees F) to inhibit bacterial growth. If the steak has been left at room temperature for more than two hours, it should be discarded.