Answer:
5 : 30
Step-by-step explanation:
Note that
× 10 = 5
Thus 3 × 10 = 30
Hence
: 3 = 5 : 30
Step-by-step explanation:
Given the geometric sequence
8 + 6 + 4.5...
A geometric sequence has a constant ratio and is defined by























∵ 


∵
, 
so
∵ 

∵ 
∵ 
Therefore, the sum of the first 25 terms in this geometric series: 31.98
you can't really see the question it's too blurry
Answer:
an = a+4n-4
Step-by-step explanation:
5,000,000,000 + 300,000,000 + 90,000,000 + 2,000,000 + 20,000 + 9,000 + 4