Question

Select the correct answer from each drop-down menu. Consider the following sequence of numbers 3, -9, 27, -81

Answer 1

-243

Explanation:

Each value is multiplied by -3. 3 x -3 = -9, -9 x -3 = 27, and the rest goes the same

Answer 2

The common ratio of the sequence is -3
The sum of the first five terms of the sequence is 183

Explanation:

I got it right, but -3*3= -9 and you just keep multiplying by -3 to get 183