Seven.
200000000
7 zeros. i.e 240,000,000
Adding zeros is not a solution. No matter how many zeros you add, the answer will still be zero.
Not sure about corers, but 14 crores has seven zeros.
Seven.
8 zeros
Its 10 Zeros - 10000000000
Nine.
Nine.
10
9.
8.
8
9
Seven.
200000000