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math ALG 2!scientific notations helpp

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1.)Write the following value in scientific notation.
23,000,000

2.)Write the following value in scientific notation.
7,400,000
3.)Write the following value in scientific notation.
0.00000021
4.)Write the following value in scientific notation.
0.00003165
5.)Which value below is not equivalent to the others?

7.27 x 101
72.7
727 x 100
7.27 x 10

  • math ALG 2!scientific notations helpp -

    1. 23,000,000 = 2.3*10^7. Moving the
    decimal 7 places to the right returns the number to standard form.

    3. 0.00000021 = 2.1*10^-7. Moving the decimal 7 places to the left returns the
    number to standard form.

    5. Write all of the numbers in standard
    form and compare. Remember that any number raised to the zero power = 1.
    10^0 = 1.

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