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10 p What is the common ratio for the following geometric sequence? 640, 160.40.10....​

Sagot :

Answer:

r = [tex]\frac{1}{4}[/tex]

Step-by-step explanation:

The common ratio (r) of a geometric sequence is the ratio of any term divided by the previous term , then

r = [tex]\frac{a_{2} }{a_{1} }[/tex] = [tex]\frac{160}{640}[/tex] = [tex]\frac{1}{4}[/tex]