SOLUTION: what are the rules governing operations on real numbers?

Question 100036: what are the rules governing operations on real numbers?
Answer by tutorcecilia(2152) (Show Source): You can put this solution on YOUR website!
Use the Order of Operations (PEMDAS)
P=perform any operations within the brackets or parenthesis first
E=solve any exponents or square roots in the order they appear in the problem
M=multiply or D=divide next, in the order they appear in the problem
A=add or S=subtract next, again, in the order they appear in the problem
.
Example:
2[3(4/2)+3^2)]-1
Apply PEMDAS:
2[3(2)+3^2)]-1
.
2[3(2)+9)]-1 [still apply PEMDAS while working within the brackets or parenthesis]
.
2[6+9)]-1
.
2[15]-1
.
30-1
29

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