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  • In those countries that use the long scale (based on powers of a million), like Europe:
1/2 billion = 0.5 x (106)2

= 5 x 1011

= 500 000 000 000

  • In those countries that use the short scale (based on powers of a thousand plus one), like USA:
1/2 billion = 0.5 x (103)2+1

= 5 x 108

= 500 000 000

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12y ago

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