Five zeros.
5
Five.
Six.
5
There are 18 zeros.
It is approximately 68 miles around Mille Lacs Lake.
Seven.
6 zeros. 1 Lac = 10,00,000
There are 9 zeros in 75 billion in the US and current UK short scale. This is 75,000,000,000. There are 12 zeros in 75 billion in the older UK long scale. This is 75,000,000,000,000.
75,000,000 = 75 million and so there are six of them
6