What would the formula for the nth term be given 0.3, -0.06, 0.012, -0.0024, 0.00048, ...?
2 Answers
Jul 2, 2018
Explanation:
Given series:
has first term
Now, the
Jul 2, 2018
a_n=(0.3)(-0.2)^(n-1)
Explanation:
Here, the given sequence is :
0.3,-0.06,0.012,-0.0024,0.00048,...
The first term
The common ratio :
This is the geometric sequence :
a_n=a_1(r)^(n-1)