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Approximate each population using scientific notation.
China:
1. 1.4 x 10^9 people
2. 1.8 x 10^9 people
3. 1.4 x 10^8 people
4. 1.8 x 10^8 people
United States:
1. 3.2 x 10^9 people
2. 3.4 x 10^9 people
3. 3.2 x 10^8 people
4. 3.4 x 10^8 people
To approximate each population using scientific notation, you can follow these guidelines:
1. Identifying Significant Figures: In the notation (a times 10^n), (a) should be between 1 and 10. The number (n) indicates the power of 10, telling us how many places to move the decimal point.
For China:
1. 1.4 x 10^9 – This represents 1.4 billion people.
2. 1.8 x 10^9 – This represents 1.8 billion people.
3. 1.4 x 10^8 – This represents 140 million people.
4. 1.8 x 10^8 – This represents 180 million people.
For the United States:
1. 3.2 x 10^9 – This represents 3.2 billion people.
2. 3.4 x 10^9 – This represents 3.4 billion people.
3. 3.2 x 10^8 – This represents 320 million people.
4. 3.4 x 10^8 – This represents 340 million people.
In summary, the scientific notation provides a clear way to express large populations. If you have more complex questions, feel free to check the extended services page for additional assistance!