How many degrees of freedom do the molecules of a gas have if the density at STP is 1 3 - Physics - Kinetic Theory

Question

​How many degrees of freedom do the molecules of a gas have
if the density at STP is 1 3 kg/m3 ​and velocity
of sound is 330 m/s

V A R C H A S V A · Accepted Answer

But as far as I know, degree of freedom is always a natural number
and never fraction o O what's the answer?
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​How many degrees of freedom do the molecules of a gas have if the density at STP is 1.3 kg/m3 ​and velocity of sound is 330 m/s

How many degrees of freedom do the molecules of a gas have if the density at STP is 1.3 kg/m³and velocity of sound is 330 m/s