Answer:
deze nuts thanks u
Step-by-step explanation:
Answer:
The First one is the answer
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:
I think 60 because say u do 2×3 you get 6 but do 20×3 and it's 60 so I think it's 60 so sorry if I'm wrong.