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Q&A #7370

Teachers' Lounge Discussion: Use of commas in math

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From: Mark <mathandenglish-workingtogether@hotmail.com>
To: Teacher2Teacher Public Discussion
Date: 2004061014:44:29
Subject: Re: confused -- it's so confusing, after all

More accurately, "these days," a billion is 1000 million in the UK,
while in "not-these-days" a billion was a million million in the UK.
Maybe someday a "pound" note will be called "kilogram" note instead
too.

Mark 

From: http://dictionary.cambridge.org/

Definition
billion   
noun [C]
1= 1 000 000 000:
Cosmetics is a billion dollar industry.

2= UK OLD-FASHIONED 1 000 000 000 000
NOTE: This number is now called a trillion.

billionaire
noun [C]
a person whose wealth is at least 1 000 000 000 in their country's
money


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