Q&A #7370

Teachers' Lounge Discussion: Use of commas in math

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From: Loyd

To: Teacher2Teacher Public Discussion
Date: 2003061800:32:25
Subject: Re: confused

On 2003061719:02:17, David Johnson wrote: > >I would like someone with a brain to tell me how many million are in a >billion, and how many billion are in a trillion? > I don't necessarly have a good brain, but there are in the USA at least: 1000 thousands is one million 1000 millions is one billion 1000 billions is one trillion and etc. Placing comma every three places makes it fairly easy to read the numbers. For example, 999,999,999,999 is 999 billion, 999 million, 999 thousand, 999.

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