Question

1. \\(\frac{4r^3}{6r^7}\\)

Explanation:

Step1: Simplify coefficient fraction

$\frac{4}{6} = \frac{2}{3}$

Step2: Simplify variable terms

$r^{3-7} = r^{-4} = \frac{1}{r^4}$

Step3: Combine simplified parts

$\frac{2}{3} \times \frac{1}{r^4}$

Answer:

$\frac{2}{3r^4}$