Question

(-3)^18:(-3)^9*(-3)^5 help me

Answer 1

$\frac{( - 3) {}^{18} }{ - 3 {}^{9} } \times {( - 3)}^{5} = \frac{3 {}^{18} }{ - 3 {}^{9} } \times ( - 3 {}^{5}) = {3}^{9} \times 3 {}^{5} = {3}^{14}$