Always use PEMDAS to guide you through a numerical equation. Remember "Please Excuse My Dear Aunt Sally." By the way, nice job everyone on your Aunt Sally artwork! :)
Parentheses
Exponents
Multiplication & Division, left to right
Addition & Subtraction, left to right
Here's an example from Coolmath.com:
And another with exponents:
For one point extra credit, solve the following problem and bring your answer to class on Monday. Don't forget to show your work! See your class notes and my previous blog post about exponents if you get stuck.
3 x 23 + (21-14 ÷ 2)
