Fifteen thousand is written as 15,000, which contains three zeros.
Five.
Thousand trillion = 1,000,000,000,000,000 which has 15 zeros in it
A Thousand digit number will have 999 zeros
Thirty-thousand is written as 30,000, which contains four zeros.
Three zeros... 39000
15,000. Thousands have three zeros at the end, so you would simply add three zeros to fifteen for 15,000.
* Usually it means a thousand thousand billion. That is to say, a 1 followed by fifteen zeros.* (Dated usage, notably British) A million trillion or a 1 followed by 21 zeros. http://freefactfinder.com/definition/Quadrilion.html
2 zeros
Five.
There are 3 zeros in a thousand. 100 = one hundred 1000 = one thousand
Ten thousand has four zeros. (10,000).
Thousand trillion = 1,000,000,000,000,000 which has 15 zeros in it
2 zeros
three zeros
A Thousand digit number will have 999 zeros
FifteeN
Four zeros: 260000