Question

Помогите решить №266

Answer 1

1) $6bb^{2} = 6$_$b^{3}$

2) $5c^{3} d^{4} * 8c^{2} d^{2} = 12$_$c^{5} d^{9}$

3) $-0,8a^{4} * 4c^{3} * - (2t^{7} ) = 6,4$_$a^{4} c^{3} t^{7}$

4) $4,5a^{2} bc^{6} * 1\frac{1}{9}  a^{8} b^{6} c = (\frac{9}{2} *\frac{10}{9} ) a^{10}b^{7}  c^{8} = 5$_$a^{10} b^{7} c^{8}$