# How do you write the expression for the nth term of the geometric sequence #a_1=500, r=1.02, n=40#?

##### 1 Answer

May 20, 2018

#### Explanation:

#"for a geometric sequence the n th term formula is"#

#•color(white)(x)a_n=a_1r^(n-1)#

#"here "a_1=500,r=1.02" and "n=40#

#rArra_(40)=500(1.02)^(39)~~1082.37#