What does ! mean in a math problem?
Add each number in sequence from that number to 1.
Subtract each number in sequence from that number to 1.
Multiply each number in sequence from that number to 1.
It is an exciting problem.
Divide each number in sequence from that number to 1.
1 answer
In a math problem, the symbol "!" represents the factorial operation. For example, 5! (read as "5 factorial") would mean multiplying 5 by each positive integer less than 5 down to 1, so 5! = 5 x 4 x 3 x 2 x 1 = 120.