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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.

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Wiki User

16y ago
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Wiki User

13y ago

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

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Wiki User

13y ago

there are 8 zeros

1.5 billion = 1,500,000,000

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Anonymous

Lvl 1
3y ago

1.5e9

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Anonymous

Lvl 1
3y ago

14

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Q: How many zeroes are in 1.5 billion?
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