Question

Write an explicit formula for the sequence and find the eighth term ?

1,2,4,8

PLEASE HELP!

Algebra

Answer 1

\[t _{n=}2^{n-1}\]

Answer 2

put n=8 and simplify

Answer 3

Can you help me find the eighth term?

Answer 4

Simply the eight ?

Answer 5

\[t1=1=2^0=2^{1-1}\]
\[t2=2=2^1=2^{2-1}\]
\[t3=4=2^2=2^{3-1}\]
\[t4=8=2^3=2^{4-1}\]
\[t _{8}=2^{8-1}=2^7=2*2*2*2*2*2*2=128\]