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Mathematics 22 Online
OpenStudy (anonymous):

Find the nth term for the geometric sequences, 80,20,5

OpenStudy (anonymous):

FIRST find common ratio

OpenStudy (anonymous):

common ratio = |dw:1343557241782:dw|

OpenStudy (anonymous):

do u understand @Hollywood_chrissy

Parth (parthkohli):

The formula or the nth term in a GP is \(T_n = T_1 \times r^{n - 1}\). Hint: The number we again and again multiply is \(r\).

Parth (parthkohli):

Hint #2: If you divide by \(n\) to get the next term, you multiply by \(\Large {1 \over n}\).

OpenStudy (anonymous):

\[80(1/4)^{n-1}?????\]

Parth (parthkohli):

That is correct!

OpenStudy (anonymous):

Actually its|dw:1343558011069:dw|

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