Fifteen billion.
Wiki User
∙ 10y agoForm? twelve
You can write one hundred twelve thousand.
write the following decimal numbers in words .0087945
Eighth.
three and twenty-five thousandths
15 billion
15000000000 + 2014 years.
15000000000
15000000000 cm
15000000000
1500000
15000000000 yrs
15000 x 1000000 = 15000000000
100000000000.
0.1351
0.0625
Depends on the convention where you are. In the USA its fifteen billion but in the UK and some other places fifteen billion is 1,000 times larger. Fifteen thousand million should be clear in any case.