\((\frac{6}{0.32} \div \frac{2}{0.084})^{-1}\) = \((\frac{600}{32} \div \frac{2000}{84})^{-1}\) = \((\frac{600}{32} \times \frac{84}{2000})^{-1}\) = \((\frac{63}{80})^{-1}\) = \(\frac{80}{63}\) = 1.3 (to 1 decimal place)