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You can write out 1.8 billion as "1,800,000,000" or "one billion eight hundred million."

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As a number it is: 1,800,000,000 = 1.8 billion

Q: How do you write out 1.8 billion?

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21,018,000,025

42.4 billion * 57 million = 2.4168*10^18.

9,018,0046,072

I write 620 billion as 620 billion.

Thusly: 25,718,000,001,064

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$18,000,000,000.00 or $18 billion

18 billion 796 thousand 013 would be written as: 18,000,796,013.

21,018,000,025

it is written like this 1,000,000,000,000,000,000 but there is no such thing as a billion billion it would have to reach quintillion

42.4 billion * 57 million = 2.4168*10^18.

18,007,193,000

9,018,0046,072

I write 620 billion as 620 billion.

Thusly: 25,718,000,001,064

Sixteen point two billion is how I would write it.

You write 3.56 billion as 3,560,000,000.

18% of 37 billion= 18% * 37000000000= 0.18 * 37000000000= 6,660,000,000 or 6.66 billion