Express Using Positive Exponents $$\left( \frac { 1 } { 3 } \right) ^ { - 2 }$$

question 74

Multiple Choice

Express using positive exponents. Then simplify.
- $$\left( \frac { 1 } { 3 } \right) ^ { - 2 }$$

• A) \(\frac { 1 } { 6 }\)
• B) 9
• C) \(\frac { 1 } { 9 }\)
• D) \(- 9\)

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