
You can see it's a geometric sequence because the ratio is constant (

).
The nth term of a geometric sequence:


It has to be the sum for term 4 through term 15, so n=4 and the number above the sigma is 15.
Your answer:
Answer:
95
Step-by-step explanation:
Answer:
-2.9, -1/2, 2/3, 0.68, 70%, 150%
Step-by-step explanation:
My suggestion would be to change ebvery digits given to decimal form and just arrange it in order from smallest to biggest, and remember that negative value would be lower despite have big numbers that positive value