Question

помощь пожалуйста надо

Answer 1

$m {}^{10} \times m {}^{5} = m {}^{10 + 5} = m {}^{15}$

$m {}^{10} \div m {}^{5} = m {}^{10 - 5} = m {}^{5}$

$( {m}^{5} ) {}^{10} = m {}^{5 \times 10} = m {}^{50}$

$p {}^{ - 10} \times p {}^{5} = p {}^{ - 10 + 5} = p {}^{ - 5} = \frac{1}{p {}^{5} }$

$p {}^{ - 10} \div p {}^{5} = p {}^{ - 10 - 5} = p {}^{ - 15} = \frac{1}{p {}^{15} }$

$7 {x}^{3} {y}^{5} \times ( - 3x {}^{ - 2} y {}^{ - 5} ) = \frac{ - 3 \times7 {x}^{3} {y}^{5} }{ {x}^{2}y {}^{5} } = - 21x$

$- 5 \frac{1}{2} ab {}^{4} \times 4ab {}^{ - 3} = - 5.5 \times 4 \frac{a \times ab {}^{4} }{b {}^{3} } = - 22 {a}^{2} b$

$(7 {x}^{2} ) {}^{3} = 343x {}^{2 \times 3} = 343x {}^{6}$

$\frac{x {}^{ - 8} \times (x {}^{ - 3}) {}^{2} }{x {}^{ - 15} } = \frac{x {}^{ - 8} \times x {}^{ - 6}{}^{} }{x {}^{ - 15} } = \frac{x {}^{ - 8 + ( - 6)} }{x {}^{ - 15} } = \frac{x {}^{ - 14} }{x {}^{ - 15} } = x {}^{ - 14 - ( - 15)} = x {}^{ - 14 + 15} = x = 2.008$