By the European and American way anyway, there are 10 zeroes.
50,000,000,000
A billion has 9 zeros so ten (or fifty) billion has 10 zeros.
3,000,450 there are four zeros
In the short scale, 8. 8,900,000,000.
11
Seven.
6 57,000,000
Nine or twelve! That would depend on if you are talking about American Billions (9 zeros) or British Billions (12zeros)
9
two zeros in one hundred & three zeros in fifty-one thousand
one billion is 1,000,000,000.
Fifty Million = 50,000,000 it's 7
3,000,450 there are four zeros
In the short scale, 8. 8,900,000,000.
$150,000,000.00
7 zeroes.....50,000,000.
11
Seven.
6 57,000,000