The formula for a geometric sequence is an = 2(4)^(n-1)an=2(4)n−1 what is the 3rd term of the sequence?
1 Answer
Jul 16, 2016
Explanation:
The given
color(blue)"nth term formula"nth term formula enables us to find any term in the specified geometric sequence.To calculate the 3rd term, substitute n = 3 into the formula.
rArra_3=2(4)^(3-1)=2xx4^2=32⇒a3=2(4)3−1=2×42=32