8th grade math

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3.5 X 10
________

7 x 10^-9

  • 8th grade math -

    3.5 *10
    ________

    7 *10^-9

    1*10^9*10
    _________
    2

    1*10^10
    _______
    2

    0.5*10^10=0.5*10,000,000,000=5,000,000,000

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