Question

What is the value of the 11th term in the sequence -3, -6, -12, -24, ...?

Answer 1

The 11th term is `-3072`

Explanation:

`a_1 = -3`
`a_2 = (-3)*2`
`a_3 =(-3)*2^2`
`a_4 =(-3)*2^2`
etc.
`a_i = (-3)*2^(i-1)`
...
`a_11 = (-3)*2^10 = (-3)*1024 = -3072`