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Answered 2014-09-05 23:20:21

Aunt before Sally

Addition before subtraction

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Why do you follow the laws of operations?

"Please Excuse My Dear Aunt Sally" Parentheses, Exponents, Multiplication, Division, Addition, Subtraction. You do things in Parentheses first, followed by exponents, then multiplication and so on.


In order of operation what comes after expontes?

after exponents comes multiplication and/or division from left to right depending on which comes first in the problem. the comes addition and/or subtraction from left to right depending on which comes first in the problem parentheses exponents multiplication division addition subtraction another way to remember order of operations is: please = parentheses excuse = exponents my = multiplication dear = division aunt = addition sally = subtraction


When adding and multiply action is first?

Multiplying comes BEFORE adding. Remember: Please Excuse My Dear Aunt Sally for the order of operations Parentheses Exponents Multiplication/Division Addition/Subtraction


What is the first step in the order of operations?

P=parenthesisE=exponentsM=multiplicationD=divisionA=additionS=subtractionits easier if you remember please ,excuse,my,dear,aunt,sally ORPEMDAS


When evaluating a numerical expression you should simplify all expressions inside what first?

Think of the saying,"Please Excuse My Dear Aunt Sally." You solve inside the parentheses first, then exponents, multlipication/division, and finally addition/subtraction.


What comes first in pemdas addition or subtraction?

d-a-s division-addition-subtraction


Which to operations are done first division or subtraction or multiplacation or addition?

Do (multiplication/division) before you do (addition/subtraction).


What is please excuse your great aunt sally?

Its a memory device to help you remember the order of operations. First letter of each word is an operation. The first letters are P E M D A S. Parentheses, exponents, multiplication, division, addition, subtraction.


What are the rules in PENDAS?

Order of Operations: PEMDAS (Please Excuse My Dear Aunt Sally)PParentheses firstEExponents (ie Powers and Square Roots, etc.)MDMultiplication and Division (left-to-right)ASAddition and Subtraction (left-to-right)


Why is addition of signed numbers taught before subtraction of the signed numbers?

Addition is simpler than subtraction. Also, it is defined as the opposite of subtraction, so this ... opposite has to be taught first.


When do kids learn addition and subtraction?

when they are in first grade .


What is the order of math?

P.E.M.D.A.S is how i remember it Parentheses Exponent Multiplication Division Addition Subtraction also, whichever comes first in the problem goes first, but this only works with multiplication and division and also addition and subtraction but only multiplication with division and addition with subtraction


What century did mathematicians first use a addition and subtraction?

The addition symbol was first used in 1544 by Michael Stiple. I do not know when the subtraction sign was first used, I'm still trying to find that out myself!


What tells you what operation to perform first?

Parentheses Exponents Multiplication and Division Addition and Subtraction All of these done left to right. Some people memorize it as PEMDAS and use a mnemonic device to remember it. Please Excuse My Dear Aunt Sally The UK equivalent is BIDMAS. B = Brackets I = Index


Which operation should be performed first when simplifying the expression?

We'll answer this generally, since you haven't provided an expression. A common technique for remembering the order of operations is the abbreviation "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".


When doin math calculations which one comes first?

BODMAS B=Brackets O=Of D=Division M=Multiplication A=Addition S=Subtraction So, division comes first, then multiplication, then addition and finally subtraction.


What are the rules in math equations with no brackets?

In the United States, the acronym PEMDAS is common. It stands for Parentheses, Exponents, Multiplication, Division, Addition, Subtraction. PEMDAS is often expanded to the mnemonic "Please Excuse My Dear Aunt Sally". This explains the order of operations. With no brackets, exponents are resolved first, then multiplication and division from left to right, then addition and subtraction from left to right.


How do you check your answers in addition and subtraction?

for addition you take the sum and subtract one of the numbers being added from it and for subtraction you add the difference with the second number being subtracted so it equals the first number


What is meant by aide memorie?

Is this perhaps something someone uses to help him remember something? For example, in mathematics, school children learn about the order of operations. In order not to forget what is to be done first, they learn the mnemonic 'please excuse my dear aunt sally'. This means do the following in this order: parenthesis, exponents, multiplication, division, addition then subtraction.


Please excuse my dear aunt sally?

This refers to the order of operations to perform when doing complex equations. PEMDAS Parentheses - first (from the inside out) Exponents second (unless they are inside the parentheses) Multiplication and Division third Addition and Subtraction from left to right last(unless they are inside parentheses) examples: 4-2+1 =3 addition and subtraction from left to right 4-(2+1) = 1 parentheses says do the addition first 4+3x2 = 10 multiplication first (4+3)x2 = 14 Parentheses first 4e3+5x 4-2e3 = -82 exponents first, multiplication, then addition/subtraction left to right (4e3 +5)x(4-2)e3 = 552 parentheses first, but exponent inside parentheses comes first 4e3=64, then add the 5, then 4-2=2, then do the exponent outside parentheses 2e3=8, then multiply 69 x 8 = 552


What is the acronym of BEDMAS?

The aronym of BEDMAS is... B = Brackets E = Exponents D = Division M = Multiplication A = Addition S = Subtraction Division and Multiplication - either one can go first -same goes to Addition and Subtraction


Should you perform operations in parentheses first?

Yes - the parts in brackets should be done first. Use BEDMAS as a guide. Brackets - Exponents (eg. x2) - Division - Multiplication - Addition - Subtraction. Although if it is just addition and subtraction you should work from left to right.


What equation is first in a system?

bedmas is what I was taught in school. It stands for brackets, ????, division, multiplication, addition, and subtraction


What mathematical operation comes first?

multiplication/division from left to right, then addition/subtraction from left to right


Can you solve order of operations without brackets?

Yes. Multiplication and division first, addition and subtraction second.