Question

Can you pls help i am unsure how to solve this

Answer 1

1,572,864

1) Since we have a sequence

`u_1=3,u_2=6,u_3=12andu_4=24`

3, 6 ,12, 24

We can notice that this is a Geometric Sequence with q= 2

2) Hence, to find the 20th term we have to use the explicit formula for that:

`\begin{gathered} u_n=u_1q^(n-1) \\ u_(20)=3(2)^(19) \\ u_(20)=1,572,864 \end{gathered}`

3) So the 20th term is 1,572,864