There are 6 zeros in one million, so in 500 million there are 8 zeros. 500 000 000.
58
I think 105.
8
9.
51. 51. 51. 51.
$500 000. There are 5 zeros
3500-- so 2 zeros
Eleven: 500,000,000,000
There are 8 zeros.
The first 500 digits (including the 3) are : 3.1415926535897932384626433832795028841971693993751058209749445 923078164062862089986280348253421170679821480865132823066470938 446095505822317253594081284811174502841027019385211055596446229 489549303819644288109756659334461284756482337867831652712019091 456485669234603486104543266482133936072602491412737245870066063 155881748815209209628292540917153643678925903600113305305488204 665213841469519415116094330572703657595919530921861173819326117 9310511854807446237996274956735188575272489122793818301194912 *See the related links to larger numbers of digits.
500 000, there is 6 digits!