Narresh K.
asked 11/26/15if there is no brackets at all the expression is as follow 4+3*2 that means what would be the answer
need answer with complete clarity
answer is 14 or 10
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2 Answers By Expert Tutors
David W. answered 11/26/15
Tutor
4.7
(90)
retired
The Order of Operations, also called Precedence Rules, define how an expression is to be evaluated.
To help remember them, the acronym, Please Excuse My Dear Aunt Sally -- and other acronyms -- have been created. The words stand for:
Parentheses -- expressions inside "nested" parentheses evaluated before outer parentheses
Exponentiation
Multiplication and Division, left to right
Addition and Subtraction, left to right
Notes:
- these rules have changed over the last few decades
- there is still some confusion about 1/3x
- computer software does the order of operations several different ways
- calculators do the order of operations several different ways
- even the symbols may be different -- for example: *, **, ^, /, ÷
Follow this procedure:
Scan from left to right for an operation at the highest precedence level. If found, evaluate it (note: there may be other operations inside parenthesis).
Scan from left to right for an operation at the next highest precedence level. If found, evaluate it (note: M & D as well as A & S are at the same levels).
Continue until there are no more operators
For 4+3*2:
there are no parentheses (note: if the expression is confusing, PLZ add them to clarify it)
there is no exponentiation
there is a multiplication; do it and replace the expression with the result of the multiplication
4 + 6
there is an addition; do it and replace the expression with the result of the addition
10
there are no more operators
Try this one (see whether you get 13):
9 - 5 ÷ (8 - 3) x 2 + 6
Kim B. answered 11/26/15
Tutor
5
(1)
Patient med student with 3+ years experience
So you need to follow the order of operations. In this example, that means you must multiply before you add.
so... 4+3*2
3*2=6 is the first step
then... 4+6 is 10
therefpr, answer is 10
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