Answer:1:3
Step-by-step explanation:
B. 2 I believe that’s right
The complete pattern is: 512, 256, 128, 64, 32, 16, 8, ( and extended ) 4, 2, 1!
I do this pattern in my head literally all the time!
Answer: question 1: 20 question 2: 21 question 3: 17, 19, 23
Step-by-step explanation: