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Given the following geometric sequence, find the 12th term: {2, -4, 8, ...}. -4096 2048 4096 -2048
asked
Apr 11, 2022
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Given the following geometric sequence, find the 12th term: {2, -4, 8, ...}.
-4096
2048
4096
-2048
Mathematics
high-school
Berzemus
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Answer: -4096
Explanation:
I just did the lesson
Rinze
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Apr 13, 2022
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Rinze
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Use formula: an = a1 * r^(n-1)
a1 = 2, r = -2
a12 = 2 * -2^(12-1)
a12 = 2 * -2^11
a12 = 2 * -2048
a12 = -4096
Solution: -4096
Wayneio
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Apr 17, 2022
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Wayneio
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