Question

9^1/2* 2^-1 *8^2/3 yrhshtj

Answer 1

${9}^{ \frac{1}{2} } \times {2}^{ - 1} \times {8}^{ \frac{2}{3} } \\ \\ \\ = \frac{1}{ 9} \times \frac{1}{2} \times \frac{1}{8} = \frac{1}{144} \\ \\ \\ \\ \frac{1}{144} = {12}^{ - 2}$