# How do you find the indicated term for the geometric sequence #a_3=32#, r=-0.5, n=6?

##### 1 Answer

Jul 20, 2017

#### Explanation:

#"the nth term of a geometric sequence is"#

#•color(white)(x)a_n=ar^(n-1)#

#"we need to find a the first term"#

#rArra_3=a(-0.5)^2=32#

#rArra=32/(-0.5)^2=128#

#rArra_6=128xx(-0.5)^5=-4#