The nth term is
an=a1(r)^(n-1)
an=1(2)^(n-1)
a1=1
r=2
the sum of a geometric seequence is

a1=1
r=2
we want to find

(since we minus 1, the highest exponet is 9 so add 1 to make it correct)



Answer:
the sum is 7
Step-by-step explanation:
ik this because i used to be in kindergarten.
Answer:
x=-2
Step-by-step explanation:
5x -10x- 30= 10x
-5x -30 = 10x
-30=15x
x=-2
The answer would be B and here’s the steps :)
Answer:
43,582,779
Step-by-step explanation:
129 x 337,851 = 43,582,779