Write a rule for the sequence

4,8,16,32,.....
A. Start with 4, and multiply by two repeatedly.
B. Start with four, and add eight repeatedly
C. Start with 4 and add two repeatedly
D. Start with two, and multiply by 4 repeatedly

A. Start with 4, and multiply by two repeatedly.

The correct rule for the given sequence 4, 8, 16, 32, ... is:

A. Start with 4 and multiply by two repeatedly.