The second term of a geometric sequence is 24 and its fourth term is 216. What is the first term?
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The second term of a geometric sequence is 24 and its fourth term is 216. What is the first term?
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Answer:
The first term is 8.
Step-by-step explanation:
Muliplied by 3
Answer:
8
Step-by-step explanation:
24 second term.
24x3 = 72 3rd term
72x3 =216 4th term
To get the first term, divide the second term and the common ratio.
24/3 =8