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Simplify the Numerical Expression (3172)1\left( \frac { 3 ^ { - 1 } } { 7 ^ { - 2 } } \right) ^ { - 1 }

Question 9

Multiple Choice

Simplify the numerical expression. (3172) 1\left( \frac { 3 ^ { - 1 } } { 7 ^ { - 2 } } \right) ^ { - 1 }


A) 349\frac { 3 } { 49 }
B) 949\frac { 9 } { 49 }
C) 493\frac { 49 } { 3 }

Correct Answer:

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