Question

simplify by removing factors of 1
45q^10/ 81q^12

Answer 1

Factors of 1? That isn't making sense. But here is what I would do.

\[\frac{45q^{10}}{81q^{12}}=\frac{5*9q^{10}}{9*9q{12}}=\frac{5q^{10}}{9q^{12}}\]
\[\frac{5q^{10}}{9q^{12}}=\frac{5q^{10}}{9q^{10}q^{2}}=\frac{5}{9q^2}\]