me not u lol
One ten-billionth meter or one ten-billionth of a meter.
One ten-billionth.
One ten billionth.
T U Th H TTh M B Tb
One ten billionth
apple
The tenth place to the right of the decimal point.
never they haven't made that many yet
a hundred billion or eleven billion or ten billion and one or ten billion and one tenth or ten billion and one hundredth or ten billion and one millionth or ten billion and one billionth or ten billion and one trillionth and so on.
To give you an idea they are measured in Å : 1/10,000,000,000 (one ten billionth) of a meter (1×10−10 m)
The 10 billionth song, "Guess Things Happen That Way" by Johnny Cash, was downloaded by Louie Sulcer of Woodstock, Georgia. As the grand prize winner of Apple's 10 Billion Songs Countdown contest, Louie will receive a $10,000 
iTunes Gift Card.