Question

Алгебра.

Решить задания.

Answer 1

7)

${m}^{3}$

8)

$8 {a}^{3} {b}^{3}$

9)

$4 {m}^{2} {n}^{2}$

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Успехов!)

Answer 2

$\displaystyle\bf\\1)\\\\m^{9} \cdot \boxed{m^{3}} =m^{12} \\\\\\2)\\\\\Big(2ab\Big)^{3} =2^{3} \cdot a^{3} \cdot b^{3} =\boxed{8a^{3} b^{3} }\\\\\\3)\\\\\Big(-2mn\Big)^{2} =\Big(-2\Big)^{2} \cdot m^{2} \cdot n^{2}=\boxed{4m^{2} n^{2} }$