Question

What tells you which operation to perform first... I really need the answer like now!! thank you!

Answer 1

PEMDAS----- many people remember it as Please Excuse My Dear Aunt Sally. It stand for (Parentheses), exponents, multiply, divide, addition, and subtraction. It should be done in this order.

Answer 2

PEMDAS : Parentheses, Exponents, Multiplication, Division, Addition, Subtraction. That is the general rule of things and in the order of which goes first. 
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