Your question contains mixed units. billion is not an SI prefix, its numerical place as a multiplier is taken by Giga, 10 to the power 9. Peta is 10**15, and Exa is 10**18. [** means to the power of.] with the new proper units, you may do the math.
The prefix "giga" means 10 to the power 9; the prefix "exa" means 10 to the power 18.
There are one hundred, hundred millions in one billion.
A hundred billion is 100,000,000,000 thus there are 11 zeros in it
There are 70,000 hundred-thousands in 7 billion.
Ten billion.
A thousand.
There are ten hundred millions in a billion because 10*100,000,000 = 1,000,000,000
500,000 one-hundred-thousands are in fifty billion.
One hundred million
There are 10 hundred millions in a billion, so 50*10 = 500.
There are one hundred billion pennies in a billion dollars Agreed.
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