Question

Помогите срочно!!!!!!!!!!!!!
Алгебра

Answer 1

$1)3 {}^{ - 2} = \frac{1}{3 {}^{2} } = \frac{1}{9} =0,1 \\ 2)2 {}^{ - 4} = \frac{1}{2 {}^{4} } = \frac{1}{16} =0,0625 \\ 3)4 {}^{ - 1} = \frac{1}{4} = 0,25 \\ ( \frac{1}{5} ) {}^{ - 3} = 5 {}^{3} = 125$

$( \frac{3}{7} ) {}^{ - 2} = ( \frac{7}{3} ) {}^{2} = \frac{49}{9} = 5.4$