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How many more people live in China than in the United States?

Aleko
How many more people live in China than in the United States?

China has a population of approximately 1,382,323,332 people. The population of the United States is about 324,118,787 people.

Part A
Approximate each population using scientific notation.
China:
1.4 x 10^9
1.8 x 10^9
1.8 x 10^8

United States:
3.2 x 10^9
3.4 x 10^9
3.2 x 10^8
3.4 x 10^8

Part B
About how many more people live in China than in the United States?
About
1.08 x 10^8
1.09 x 10^9
4.6 x 10^8
1.06 x 10^9




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    1 Answer

    1. Quizzma Team

      To solve this question, let’s break it down step by step.

      ### Part A

      China’s Population in Scientific Notation:

      The population of China is approximately 1,382,323,332. To express this in scientific notation, we can round it to 1.4 billion, which is written as:

      – China: 1.4 x 10^9

      United States Population in Scientific Notation:

      The population of the United States is about 324,118,787. To express this in scientific notation, we round it to 3.2 hundred million, which is written as:

      – United States: 3.2 x 10^8

      ### Part B

      To find out how many more people live in China than in the United States, we can subtract the populations:

      1. China: 1.4 x 10^9
      2. United States: 3.2 x 10^8

      Convert the population of the United States to the same exponent for easier subtraction:

      – 3.2 x 10^8 = 0.32 x 10^9

      Now, subtract:

      – 1.4 x 10^9 – 0.32 x 10^9 = 1.08 x 10^9

      So, the answer to how many more people live in China than the United States is:

      – **About 1.08 x 10^9

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