Please answer this correctly

Answer: 4, 6
Step-by-step explanation:
4 given numbers within 71-80
6 given numbers within 81-90
Answer:
71-80: 4
81-90: 6
Step-by-step explanation:
71-80: 74, 78, 77, 71 (4 numbers)
81-90: 90, 90, 89, 86, 83, 83 (6 numbers)