Monocots have a multiple of this number of petals.
Reactions of nitric oxide are often treated as if they were of this order. This is the highest power of volume in the Redlich-Kwong equation of state. Apery's constant is the value of the Riemann zeta function at this number. According to the Debye [duh-BYE] model, specific heat is proportional to this power of the temperature. The asteroid denoted by this number is Juno. Algebraic equations of this order may be solved using the Tartaglia-Cardano formula. Monocots have a multiple of this number of petals. Platyhelminthes is the most primitive phylum to contain a mesoderm and, therefore, to possess this many germ layers. For 10 points, give this number that is also the number of nitrogen dioxide substituents on TNT.
Reactions of nitric oxide are often treated as if they were of this order.
{three} (accept word forms like {third})