Question

помогите пожалуйста!!!!!!​

Answer 1

Ответ:

1. а) $x^{9}$

б) $a^{8}$

2. ${9}^{4} \div {3}^{7} = ( {3}^{2}) ^{4} \div {3}^{7} = {3}^{8} \div {3}^{7} = 3$

3. $0.25 {x}^{4} = (0.5 {x}^{2})^{2}$

$49 {m}^{2} {n}^{6} = (7m {n}^{3})^{2}$

4. $\frac{3}{4} {x}^{2} {y}^{3} \times 16yx = 12 {y}^{4} {x}^{3}$

5. $(5^{16} \times 3^{16}) \div 15^{15} = 15$