Evaluate the expression: $\left( \frac { 4 } { 9 } \right) ^ { - \frac { 1 } { 2 } }$
A) $= -\frac { 2 } { 3 }$
B) $\frac { 3 } { 2 }$
C)$ =- \frac { 2 } { 9 }$
D $\frac { 81 } { 16 }$

Question

Evaluate the expression: $\left( \frac { 4 } { 9 } \right) ^ { - \frac { 1 } { 2 } }$ 
A) $= -\frac { 2 } { 3 }$
B) $\frac { 3 } { 2 }$
C)$ =- \frac { 2 } { 9 }$
D $\frac { 81 } { 16 }$

Quizplus · Accepted Answer

Using the rule for negative exponents, $\left(\frac{4}{9}\right)^{-\frac{1}{2}} = \frac{1}{\left(\frac{4}{9}\right)^{\frac{1}{2}}} =\frac{1}{\sqrt{\frac{4}{9}}} = \frac{1}{\frac{2}{3}} = \boxed{\frac{3}{2}}$.

Evaluate the Expression (49)−12\left( \frac { 4 } { 9 } \right) ^ { - \frac { 1 } { 2 } }(94​)−21​

Evaluate the Expression $\left( \frac { 4 } { 9 } \right) ^ { - \frac { 1 } { 2 } }$