Answer
$-8a^{11}b^{8}c^4$
Work Step by Step
RECALL:
The quotient rule of exponents states that: $\dfrac{a^m}{a^n}=a^{m-n}, a \ne 0$.
Divide the numerical coefficients, and use the quotient rule to find:
$=-8a^{12-1}b^{10-2}c^{8-4}
\\=-8a^{11}b^{8}c^4$
