Write the Expression with Only Positive Exponents and Evaluate If $$( - 2 ) ^ { - 1 }$$

question 256

Multiple Choice

Write the expression with only positive exponents and evaluate if possible. Assume all variables represent nonzero real
numbers.
- $$( - 2 ) ^ { - 1 }$$

• A) \(- \frac { 1 } { 2 }\)
• B) 2
• C) \(\frac { 1 } { 2 }\)
• D) \(- 2\)

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DSM-IV-TR

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