Question

plz answer it fast plz​

Answer 1

1. ${x}^{m} \times {x}^{n}$

:⟼  ${x}^{m + n}$

Hence, $\bigstar \: \boxed{\sf{\color{red}{ a) \:{x}^{m + n} }}}$ is the correct option.

2. $( { - 2})^{3}$

:⟼  $( - 2 \times - 2 \times - 2)$

:⟼  $( - 8)$

Hence, $\bigstar \: \boxed{\sf{\color{red}{a) \:-8}}}$ is the correct option.