What is the remainder when 8! is divided by 7?
Answer: A
\(8! = 8 \times 7 \times 6 \times 5 \times 4 \times 3 \times 2 \times 1\). Since 8! contains the factor 7, it is a multiple of 7. Therefore, when 8! is divided by 7, the remainder is 0.