21grhamilton 21grhamilton

16-10-2020
Mathematics

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Find the indicated nth term of the geometric sequence.
8th term: 2.-8.32,...

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unicorn3125 unicorn3125

17-10-2020

Answer:

[tex]\bold{a_8=-32\,384}[/tex]

Step-by-step explanation:

[tex]a_1=2\\a_2=-8\\\\q=\frac{-8}2=-4\\\\a_n=a_1\cdot q^{n-1}\\\\a_8=2\cdot(-4)^7=2(-16\,384)=-32\,384[/tex]

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