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Can somebody please explain the order of operations?

Sagot :

andres2003
Order of Operations:
PEMDAS
P: Parenthesis
E: Exponents
MD: Multiplication/Division
AS: Addition/Subtraction

Remember to do them in order.

E.G: 8(2+3)²-4/2
You do first the parenthesis(2+3), which is 6
Multiply 6 by 6(rule of exponents), which is 36.
Multiply 36 by 8, which is 288.
Divide 288 by 2, which is 144.
Subtract 144-2. It is 142.
Answer:  142
A common techinique for remembering the order of operations is the abbrieviation "PEMDAS", which is turned into the phrase " Please Excuse My Dear Aunt Sally". It stands for " Parentheses, Exponents, Multiplication and Division, and Addition and Subtraction". This tells you the ranks of the operations: Parentheses outrank exponents, which outrank multiplication and division (but multiplication and divison are at the same rank), and these two outrank addition and subtraction (which are together on the bottom rank). When you have a bunch of operations of the same rank, you just operate from left to right.
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