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The Population of the Earth at the End of 2018

Question 110

Multiple Choice

The population of the Earth at the end of 2018 was approximately 7.7 × 109 people. Which of the following is the correct way of representing this number?


A) 7,700,000,000 people
B) 77,000,000,000 people
C) 77,000,000,000,000 people
D) none of these

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