Question

8,40,200,...t10 find the 4th term

Answer 1

We have the next sequence

8,40,200, ... t_10

We have the next rule

`\begin{gathered} a_1=8\cdot5^0=8 \\ a_2=8\cdot5^1=8\cdot5=40 \\ a_3=8\cdot5^2=8\cdot25=200 \\ a_4=8\cdot5^3=1000 \end{gathered}`

the 4th term is 1000