Question

помогите пожалуйста, 216 упр,срочно надо

Answer 1

$1) ({ - a})^{2} times {a}^{3} = {a}^{2 + 3} = {a}^{5} \ 2) - {a}^{2} times {a}^{3} = - {a}^{2 + 3} = - {a}^{5} \ 3) {a}^{2} times ( - {a})^{3} = - {a}^{2 + 3} = - {a}^{5} \ 4) - {a}^{2} times ( - {a})^{3} = {a}^{2 + 3} = {a}^{5}$