How to Use "billionth" with Example Sentences

1. A nanometre is a billionth of a metre .
2. How better to celebrate your billionth download than with a brand new app store ?
3. Today 's most powerful versions can shine ten thousand times brighter than the sun , though only for a billionth of a second .
4. At that height , the atmosphere has tapered away to almost nothing -- less than a billionth of the pressure it is at ground level -- but there are still gasses there .
5. Unfortunately for physicists , dr hawking also predicted that the typical temperature at which a black hole radiates should be about a billionth of that of the background radiation left over from the big bang itself .