, , , ,

This is a geometric sequence since there is a common ratio between each term. In this case, multiplying the previous term in the sequence by gives the next term. In other words, .

Geometric Sequence:

This is the form of a geometric sequence.

Substitute in the values of and .

Multiply by .

Identify the Sequence -0.1 , 0.04 , -0.016 , 0.0064 , -0.00256