Order of Operations: 360 or 354?

Last Saturday, I received  Facebook message from a student asking help to simplify [5(4)^3 + 6(11-4)] - 36 / 9 (2).  He got 354 but his teacher’s answer was 360.


Although the problem above seems simple, a lot of students get confused by it, and in this case, even the teacher too. The expression above simplifies to » Read more