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  1. Write each number in scientific notation. Homework Help ✎

    1. 49.63

    2. 0.0000005

    3. 3,120,000,000

Where does the decimal point need to be for this to be in scientific notation?

To be in scientific notation, the decimal point must one spot after the first nonzero number.

4.963 x 101

See the help for part (a).

5 x 10−7

See the help for part (a).