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Chapter 6: Q. 743 (page 805)

Convert from Decimal Notation to Scientific Notation.

In 2015, the population of the world was about 7,200,000,000
people.

Short Answer

Expert verified

The number 7,200,000,000in scientific notation is 7.2×109

Step by step solution

01

Step 1. Given Information

The number:

7,200,000,000

02

Step 2. Write in scientific notation

Move the decimal to left up to 9places.

And since the number is greater than 1, the power will be positive.

7,200,000,000=7.2×109

03

Step 3. Check the answer

7.2×109=7.2×109=7,200,000,000

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