Question

ДОПОМОЖІТЬ!!!!!!!!!!!​

Answer 1

Ответ:

$0.09a {}^{8}$

Объяснение:

$( - 0.3a {}^{4} ) {}^{2} =\left(-0.3\right)^{2}\left(a^{4}\right)^{2} =0.09\left(a^{4}\right)^{2} =0.09a^{4\times 2} =0.09a^{8}$

Answer 2

$\displaystyle (-0,3a^4)^2=(-0,3)^2*a^8=0,3^2*a^8=(\frac{3}{10})^2*a^8=0,09a^8$