Find the next two terms of the sequence: 80, ?40, 20, ?10, ______, ______. A) 20, 40 B) 1 2 , 1 4 C) 5, ? 5 2 Eliminate D) ?30, ?40
1 answer:
Answer:
5, 5/2
Step-by-step explanation:
80 becomes 40 if multiplied by 1/2; 40 becomes 20 if mult. by 1/2; and so on.
Thus, the common ratio of this geometric sequence is 1/2.
1/2 times 10 is 5;
1/2 times 5 is 5/2.
Looks like this is Answer C. Please note: your "5, 5 2" is not a correct representation of "5, 5/2." Please use " / " to indicate division.
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