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Math and Arithmetic

How do you write one billion two hundred seventy-four million nine hundred fifteen thousand in standard form?


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October 06, 2014 3:52PM

1,274,915,000. A trick is that you place a comma whenever there's a billion, million, thousand, hundred, etc. in your sentence. So you would write it as 1 (comma) 274 (comma) 915 (comma) 000. You need the zeros at the end because a billion always has nine places after the first comma. Since there were only six, that means the rest has to be zeros.