Scientific Notation Part II
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Lesson Summary:
In this lesson on scientific notation, Professor Perez reviews the concept of moving decimals when multiplying by powers of 10, both positively and negatively. He then goes on to demonstrate how to write numbers in scientific notation, including a review of place values. The lesson concludes with examples of converting numbers from and to scientific notation, highlighting the importance of correctly placing the decimal and multiplying by the appropriate power of 10.
Lesson Description:
More conversions using scientific notations.
Created by and copyright of Larry Perez. Funded by the state of California through Saddleback College. More information on videos, resources, and lessons at Algebra2Go.
Questions answered by this video:
- How do you put a number into scientific notation?
- How do you know which way to move the decimal point with scientific notation?
- Why do you move the decimal point and multiply by 10^power with scientific notation?
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Staff Review
This video picks up where the last left off, quickly reviewing how to change a number from scientific notation to decimal notation. A large list of 10 to positive and negative exponents is shown, and we see which way to move the decimal point and how many places. Then, some numbers are changed from decimal notation into scientific notation. -
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