
Stuart R. answered 08/06/13
Math Tutor - Online and In Home -20 Years Experience
think PEMDAS. The order of operations!
1. Parenthesis
2. Exponents (powers)
3. Multiplication
4. addition/subtraction
The steps can not be switched or skipped.
example: 5*(8+9) +4 = 89 without the parenthesis we have 5*8+9+4 = 53

Stuart R.
ya taken a test, Jason? Or do you really want to understand this stuff?
Stuart
08/06/13