Answer:
The series must be decreasing, and the limit as the n-th term goes to infinity should be 0.
D. 16.8 units
A radius is half of the diameter, so to get the answer all you need to do is multiply the length of the given radius by 2.
8.4x2= 16.8
Answer:
A
Step-by-step explanation:
let's try A. 3(3)+2=9+2=11
11=11
So A is right
B but I'm not as sure though
