Question

Find the 7th term of the geometric sequence whose common ratio is 1/2 and whose first term is 2.

Answer 1

0.03125

Explanation:

`a_(n)` =
`a_(1)`
`(r)^(n-1)`

`a_(7)` = (2)
`(1)/(2) ^((7-1))`

`a_(7)` = (2)
`(1)/(2) ^(6)`

`a_(7)` = 0.03125

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