Here is a trick that not a lot of people know
(# of terms)*(first+last)/2
(in case you don't know, * means multiply and / means divide)
Answer:
5
Step-by-step explanation:
cause i divided 25 by 5 which gave me 5
Answer:
oh well that's very confusing.. wish u luck
Geometric sequence is Exponential.
Geometric Recursive
a1=2
an=4 an-1
2,8,32,128,512
