Answer :
Answer:
-1280
Step-by-step explanation:
10, -20, 40, -80, 160, -320, 640, -1280
The pattern of the sign is positive, negative, positive, so the 8th term is negative. Then the rule is times 2.
Answer:
-1280
Step-by-step explanation:
10, -20, 40, -80, 160, -320, 640, -1280
The pattern of the sign is positive, negative, positive, so the 8th term is negative. Then the rule is times 2.