Four zeros.
300,000,000 : nine zeros, :| .
three million = 3,000,000 (6 zeros)
There are 7 zeros.
Three million three.
3,000,450 there are four zeros
The number three million is a 3 followed by six zeroes (3,000,000).
Eleven.
8
In English speaking countries there are 9 zeros in three billion.3,000,000,000In other countries there may be 12 zeros in three billion.3,000,000,000,000In England, an English speaking country, a billion = one million, million (12 zeros).6 zeros is a million, 7 zeros is ten million, 8 zeros is a hundred million,9 zeros is a thousand million, 10 zeros is ten thousand million,11 zeros is a hundred thousand million. 12 zeros is a million million = a BILLION.In North American usage a billion = a thousand, million. (9 zeros).Nine, if you write it as 3,000,000,000 .Two, if you write it as 3.0 x 109 .
There are twelve zeros in 100 million million. 100,000,000,000,000
There are fourteen zeros in 100 million million.