en.wikipedia.org/wiki/1,000,000,000

Visualisation of powers of ten from one to 1 ... smallest prime number with 10
digits.

mathforum.org/sanders/geometry/GP10BillionEtc.html

If you sat down to count from one to one billion, you would be counting for 95
years. ... "Since most of the numbers between one and one trillion are even larger
...

www.quora.com/How-many-zeroes-are-there-in-one-billion

How many zeroes are there in one billion? In English one billion can refer to
either of ... are there in one billion? In English one billion can refer to either of two
distinct numbers: 1. Short-form [math]10^9[/math] occasionally...

www.quora.com/In-mathematics-how-many-zeros-does-a-million-and-a-billion-have

On the "long scale," one billion is 1 million million, or 1 and 12 zeroes (
1,000,000,000,000). ... There are two systems to assign the values to the
numbers, known as short system and long system. America and Britain uses
short system.

www.themathpage.com/arith/powers-of-10.htm

They are the numbers produced when, starting with One, we repeatedly collect ...
"256 Quadrillion, 312 Trillion, 785 Billion, 649 Million, 408 Thousand, 163.".

www.statman.info/conversions/number_scales.html

Scale of numbers, deci, deca, centi, hecto etc.. Numbers.

www.reference.com/math/many-zeros-one-billion-3c3dfef9acb6436d

In scientific notation, one billion is written as 1x10 to the ninth... ... If a person
wanted to count to one billion and could spit out numbers at the rate of three per ...

ihtd.org/festivalguide/resources/how-much-is-a-trillion-dollars/

Let's Measure a Trillion in Numbers. We'll start simple: how big is a trillion on
paper? 1,000 = one thousand 1,000,000 = one million 1,000,000,000 = one
billion

en.oxforddictionaries.com/explore/how-many-is-a-billion

In British English, a billion used to be equivalent to a million million (i.e. ... the
same linguistic pattern (ending with -illion) but do not refer to precise numbers.

www.isthe.com/chongo/tech/math/number/howhigh.html

The English names of larger numbers such as 10<sup>9</sup> and 10<sup>12</sup> depends on ...
Using one billion for 1000000000 (10<sup>9</sup>) has been common in the US for some
time.