What does 4x4x4x4x4x4x4?

The expression (4 \times 4 \times 4 \times 4 \times 4 \times 4 \times 4) represents the number 4 multiplied by itself seven times, which can be expressed as (4^7). Calculating (4^7) gives a result of 16,384. This exponential notation simplifies the representation of repeated multiplication.