Answer:

Step-by-step explanation:
Given

Required
The nth term
The given sequence is a geometric sequence.
So, first we identify the first term

Calculate common ration
or 

So, the nth term is:


Answer: A
Step-by-step explanation: A
Answer:
the angle abc is 180 degrees
The correct answer is 0.5 as a decimal as a fraction it is 5/10 = 1/2 so it is what ever one u need 1/2 or 5/10 or 0.5. Hope this helps! ;D