Question

simplify the expression

Answer 1

\[\frac{ -18a ^{-8} b ^{-3}}{ 6a ^{-2}b ^{-7} }\]

Answer 2

please help

Answer 3

the rule is to simplify exponents of the same base (a or b), in that the fraction indicates a minus sign between the exponents and a multiplication indicates a plus. For example, consider a: -8 -(-2)=-6. For the same reason, consider b: -2 -(-7)=5. here it is the final simplification
\[-{ a^{-6} b^{5} }\]

Answer 4

a9
————
2b12