Question 6 Perform the indicated operations and simplify. \[ \frac{9}{6} \times \frac{9}{6} \times \frac{20}{4} \div 81 \] $\frac{3}{35}$ $\frac{5}{36}$ $\frac{1}{34}$ $\frac{1}{36}$ $\frac{5}{34}$

Step 1 ：Given the expression \(\frac{9}{6} \times \frac{9}{6} \times \frac{20}{4} \div 81\)

Step 2 ：Simplify the fractions to get \(\frac{3}{2} \times \frac{3}{2} \times 5 \div 81\)

Step 3 ：Perform the multiplication operations to get \(\frac{45}{4} \div 81\)

Step 4 ：Perform the division operation to get \(\frac{45}{324}\)

Step 5 ：Simplify the fraction to get \(\frac{5}{36}\)

Step 6 ：Final Answer: \(\boxed{\frac{5}{36}}\)