Question

Calcule: 0,09^-1/2???????????

Answer 1

$0,09 = \frac{9}{100} \\ \\ (\frac{9}{100})^{- \frac{1}{2}} = (\frac{100}{9})^{ \frac{1}{2}} = \sqrt{ \frac{100}{9} } = \frac{10}{3}$