SOLUTION: Greeting, Would you please help me with this problem? Explain how the order of operations determines how you evaluate an algebraic expression. Be sure to explain the rules for

Question 670073: Greeting,
Would you please help me with this problem?
Explain how the order of operations determines how you evaluate an algebraic expression. Be sure to explain the rules for addition, subtraction, multiplication, division, and the use of grouping symbols. Use examples to illustrate your points.
Thanks a lot,
H.H
P.S:(This is the 2nd time that I am submitting this problem without receiving any answer, could anyone help pls.)
Found 2 solutions by stanbon, Alan3354:
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Explain how the order of operations determines how you evaluate an algebraic expression. Be sure to explain the rules for addition, subtraction, multiplication, division, and the use of grouping symbols. Use examples to illustrate your points.
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Use 4 scans of the problem from left to right.
1st scan: evaluate parentheses
2nd scan: apply exponents
3rd scan: multipy/divide as they occur from left to right
4th scan: add/subtract as they occur from left to right
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Example:
(3-4)^2 - 4*(3/5)+(7-4)^3
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1st scan: (-1)^2-4*(3/5)+3^2
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2nd scan: 1-4*(3/5) + 9
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3rd scan 1-(12/5) + 9
------
45h scan: 10-(12/5) = 38/5
Final = 7 3/5
====================
Cheers,
Stan H.
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Greeting,
Would you please help me with this problem?
Explain how the order of operations determines how you evaluate an algebraic expression. Be sure to explain the rules for addition, subtraction, multiplication, division, and the use of grouping symbols. Use examples to illustrate your points.
Thanks a lot,
=====================
google PEMDAS
It's well covered.
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