Answer:
The common ratio of the geometric sequence is:

Step-by-step explanation:
A geometric sequence has a constant ratio 'r' and is defined by

where
Given the sequence

Compute the ratios of all the adjacent terms: 

The ratio of all the adjacent terms is the same and equal to

Therefore, the common ratio of the geometric sequence is:
Answer
3.2 x 10^5 in standard form is 320,000
Answer:
ALL OF THE ANSWERS ARE CORRECT .
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Answer:
x = 4i - 1 or
x = 4i + 1
Step-by-step explanation:
(x+1)^2 = -4
x+1 = (+-)4i
x = +-4i - 1
==>
x = 4i - 1 or
x = 4i + 1