It is part of "numbers".
work out the math
9! = 36,288,000 %
All teachers use math to figure out grades and percentages on papers
The toughest math topic is Addition of 3 watermelons with 3 oranges.
5th grade
i dont now
Lawyers use percentages
The Statistics the odds and the percentages
i dont noe ask a math teacher
By understanding the topic
measure saucepans?
it is useful in measure percentages so little math is better