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| Math Central | Quandaries & Queries |
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Question from Bethmarie: What percentage of the world population (7.5 billion) is Canada's population (36 million). |
Hi Bethmarie,
$7.5$ billion is $7.5 \times 10^9 = 7,500,000,000$ and $36$ million is $36 \times 10^6 = 36,000,000.$ Hence the fraction of the world population that is canadian is
\[\frac{36,000,000}{7,500,000,000}.\]
To convert that to a percentage multiply by 100.
Penny
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