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OpenStudy (anonymous):
what is the 10th term of the sequence 81, 27, 9... a. 1/729 b. 1/243 c. 1/81 d. 1/810
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OpenStudy (cwrw238):
this is a geometric sequence where each term is multiplied by a given number called a common ratio to get the next term can you see the pattern?
OpenStudy (cwrw238):
how do you get 27 from 81 and 9 from 27?
OpenStudy (cwrw238):
27 = x*81 what is x?
OpenStudy (cwrw238):
x = 28/81 = ?
OpenStudy (cwrw238):
* thats 27/81
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OpenStudy (cwrw238):
you can simplify that by dividing 27 by 27 and 81 by 27;- |dw:1424381020124:dw|
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