
Concept explainers
To evaluate: expression

Answer to Problem 69S
The value is
Explanation of Solution
Given information:
Formula used:
Order of operations:
Step 1. Evaluate expressions inside grouping symbols.
Step 2. Evaluate all powers.
Step 3. Multiply and / or divide from left to right.
Step 4. Add and/or subtract from left to right.
Calculation:
Consider ,
The expression includes a fraction bar. Therefore, solve the calculations above and below the fraction bar before dividing.
Hence , the value is
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