ORDER OF OPERATIONS: Example 2
- Rule 21:
Expressions in parenthesis are treated as one
number and must be calculate first.
Example 2: Calculate .
Answer: The answer is 100.
- Since there are parenthesis in the problem. Work from
left to right. The left parenthesis contains multiplication, division, and addition.
Complete the multiplication and division first. can be modified to
The right parenthesis contains multiplication, division,
addition, and subtraction. Perform the multiplication and division
first. can be modified to
The original problem
can be written as .
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