5
In the U.S., a billion is a thousand million, so Nine zeros.
Thousand trillion = 1,000,000,000,000,000 which has 15 zeros in it
10,000 is ten thousand.
A Thousand digit number will have 999 zeros
5
There are 3 zeros in a thousand. 100 = one hundred 1000 = one thousand
In the U.S., a billion is a thousand million, so Nine zeros.
* 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
1,000,000,000,000 just add the zeros
Ten thousand has four zeros. (10,000).
Thousand trillion = 1,000,000,000,000,000 which has 15 zeros in it
10,000 is ten thousand.
A Thousand digit number will have 999 zeros
Eight hundred thousand is 800,000; it has five (5) zeros.
2 zeros
three zeros