Question

Please help asap please ​

Answer 1

`a_(5)` =
`(7)/(8)`

Explanation:

The n th term of a geometric sequence is

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

where a is the first term and r the common ratio

Here a = 14 and r =
`(-7)/(14)` = -
`(1)/(2)`, thus

`a_(5)` = 14 ×
`(-(1)/(2)) ^(4)` = 14 ×
`(1)/(16)` =
`(14)/(16)` =
`(7)/(8)`