Think of how many times 2 needs to be multiplied in order to get eight.
2 x 2 = 4
4 x 2 = 8
Therefore, since 3 '2's were used, x = 3
Think of how many times 2 needs to be multiplied in order to get eight.
2 x 2 = 4
4 x 2 = 8
Therefore, since 3 '2's were used, x = 3