Answer:
See below.
Explanation:
This type of sequence is called geometric and the number you multiply by is called the common ratio.
For example: the sequence 1, 2, 4, 8 - each term is multiplied by the common ratio(2) to get the next term. 1 *2 = 2, 2 *2 = 4, 4*2 = 8 and so on,