Question

Упростите выражение -7a^8 * (-0.3a^5)^2

Answer 1

$- 7 {a}^{8} times ( - 0.3 {a}^{5} ) {}^{2} = - 7 {a}^{8} times 0.09 {a}^{10} = - 0.63 {a}^{18}$