Question

como resolvo:(1,8) elevado a -6

Answer 1

Faça assim:

$(1,8)^{-6}=\left(\frac{18}{10}\right)^{-6}=\left(\frac{10}{18}\right)^6=\frac{1000000}{34012224} \approx 0,03$

Answer 2

$(1,8)^{-6}= \frac{1}{1,8} ^6 = \frac{1}{34012224}$