It's a geometric sequence.

It's the sum for term 4 through term 15.
Answer:
5
Step-by-step explanation:
Answer:
98
Step-by-step explanation:
it would be 70 percent of 140
Answer:
this is a test I will not help you
Step-by-step explanation:
bye bye
I’m a bit confused by the choices you have been given. Are there any other options? If not, I would choose (5.3,9.8) as 9.8 is correct