Umm, six? My brains not working ;( sorry!
7
As a number there are 20 noughts in 300,000,000,000,000,000,000
zero of anything is zero. 2+0=2 2
It is the zero.
6,700,000
Zero there are many many millions of people that never make acquaintance with it and lead good lives.
Since the state of Texas doesn't require gun registration, the answer is zero. There are zero guns registered in the state of Texas.
It is in the ten millions position, but is worth zero.
The zero.
Zero
millions
zero and one tenth millions