4.6 L, is the largest volume among all other volume option as L represents liter ,
cL equals 10⁻² L
mL equals to 10⁻³ L
So all other quantities given here are smaller than that of 4.6 liter.
So, 4.6 L is the largest among all other quantities .While other quantities that is 4.6 × 10⁻³ L ,46 cL, 460 mL are smaller than that of 4.6 L.