Question

всё на фото, даю 10 баллов!!​

Answer 1

$( \frac{2}{5} ) ^{2 - log_{2.5}(2) } = ( \frac{5}{2} ) ^{log_{ \frac{5}{2} }(2) - 2} = \\ = \frac{( \frac{5}{2} ) ^{log_{ \frac{5}{2} }(2) }}{ {( \frac{5}{2} )}^{2} } = \frac{2}{ \frac{25}{4} } = \frac{8}{25} = 0.32$