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To solve this expression, which operation should be performed second[21-(5+2)]^(2)*3?
subtract 7 from 21
What else can I help you with?
What operation should be performed first a expression?
Expressions within parenthases (brackets) should be done first. Then each operation should be done in turn from left to right. Therefore 4+7x(5+4) would be 4+7x9 and then 11x9 =99.
Who is the first person invent pemdas?
There is no known origin of the order of operations or PEMDAS. PEMDAS is considered as the proper way to tackle a given mathematical expression in terms of what operation should be performed first.
Are the symbols used to show which operation or operations in an expression should be done first?
parentheses
What operation should be performed first to solve this expression?
To determine which operation should be performed first in an expression, you should follow the order of operations, often remembered by the acronym PEMDAS (Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right)). First, check for any calculations within parentheses; if none exist, look for any exponents, then proceed to multiplication or division before finally handling addition or subtraction. Always work from left to right within the same level of the hierarchy.
What was the staircase of operation?
Staircases are very important when it comes to house interior and the staircase operation should be performed by a professional only.
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".
What maintenance operation should be performed to prevent a slowdown in data access speed?
Disk defragmentation.
Which operation should be performed first in the expression 5 7 7 4 17?
Unfortunately, limitations of the browser used by Answers.com means that we cannot see most symbols. It is therefore impossible to give a proper answer to your question. Please resubmit your question spelling out the symbols as "plus", "minus", "times".
What maintenance operation should be performed first when the mouse moves the pointer erratically on the screen?
clean the rubber ball and rollers in the mouse
What does cancel where possible mean in math?
That means that wherever you spot a numerator and denominator that have a common factor,you should should divide the numerator and denominator by their common factor.This operation doesn't change the value of an expression, but it 'simplifies' it. The operation isalso the heart and soul of measurement-unit conversions.It means that if you spot a numerator and denominator that have a common factor, then you should divide the numerator and denominator by their common factor.This operation doesn't change the value of an expression, but it 'simplifies' it. The operation is also the heart and soul of measurement-unit conversions.It means, if you can cancel, cancel. Otherwise don't.This usually refers to simplifying fractions that involve numbers or variables. If the same variable, or factor, appears in the top and in the bottom, you can eliminate it from both without changing the result.
When you write a numerical expression how do you show what operation to do first?
In a numerical expression, the order of operations is indicated using parentheses to group terms, which shows what should be calculated first. According to the standard order of operations (often remembered by the acronym PEMDAS: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right)), calculations inside parentheses are performed before any other operations. Additionally, using exponents clearly indicates that those calculations should be done prior to multiplication, division, addition, or subtraction.
Does multiplication always be done before division?
No, multiplication does not always have to be done before division; they are performed from left to right based on their appearance in an expression. According to the order of operations (PEMDAS/BODMAS), multiplication and division are of equal precedence and are executed in the order they occur. Therefore, if division comes before multiplication in a mathematical expression, it should be performed first.
