ORDER OF OPERATIONS: Problem 1

- Rule 22:
-
If parenthesis "nested (are enclosed in other
parenthesis), work from the inside parenthesis out.

Problem 1: Calculate
.
Answer: The answer is 15.
-
Solution:
- This problem contains "nested" parenthesis.
Simplified the inner most parenthesis first:
=
=
.
The problem
can now be written
.
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