How many zeroes are in 1.5 billion?

Answer 1

1.5 billion = 1.5 x 109 = 1,500,000,000. So, you've got eight zeros there. Note that 1.5 x 109 can also be written 1.5E9.

Answer 2

Expressed in figures, this is equal to 15,000,000,000 - that is, 15 followed by 9 zeroes.

Answer 3

there are 8 zeros

1.5 billion = 1,500,000,000

Answer 4

1.5e9

Answer 5

14