Question

Find the common ratio r for the geometric sequence and use r to find the next three terms. Enter your answer to four decimal places if necessary.

100, −40, 16, −6.4, ...

Answer 1

the common ration is -0.4. Three terms: 2.56,-1.024, and 0.4096
Explanation:

You just keep on multypling the terms by -0.5 ,and you get.