algebra 2

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how many 7-digit phone numbers are possible if the first digit must be non-zero? answer in scientific notation.

  • algebra 2 -

    9*10*10*10*10*10*10
    9*10^6

  • algebra 2 -

    Write (1.8x10^-12) (2.1x10^-3)

  • algebra 2 -

    Write (1.8x10^-12) (2.1x10^-3) in scientific notation

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