Question

упростите выражения
1 (-а^3)^7=
2(0,3m^9n^12)^4=​

Answer 1

Ответ:

$1.</p><p>( - a {}^{3} ) {}^{7} = - (a {}^{3} ) {}^{7} = - a{}^{21}$

$2.(0.3m {}^{9} n { }^{12} ) {}^{4} =0.3 {}^{4} \times m {}^{36} n {}^{48} \\ ( \frac{3}{10} ) {}^{4} \times m {}^{36} n {}^{48} = \frac{81}{10000} m {}^{36} n {}^{48}$

Альтернативная форма:

$0.0081m {}^{36} n {}^{48}$