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Divide. Write your answer in scientific notation. 7.92 × 10⁻² 9.9 × 10⁻⁹

Divide. Write your answer in scientific notation.
7.92 × 10⁻²
9.9 × 10⁻⁹




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What is the capital of Egypt? ( Cairo )

1 Answer

  1. To divide two numbers in scientific notation, you divide their coefficients and subtract the exponents of the powers of ten.

    1. Divide the coefficients:

    ( frac{7.92}{9.9} approx 0.8 )

    2. Subtract the exponents:

    ( -2 – (-9) = -2 + 9 = 7 )

    Now combine the results:

    – The result in scientific notation is:

    ( 0.8 times 10^7 )

    Since scientific notation typically has a coefficient between 1 and 10, we convert 0.8 into scientific notation:

    ( 0.8 = 8.0 times 10^{-1} )

    So we write:

    ( 8.0 times 10^{-1} times 10^7 = 8.0 times 10^{6} )

    Therefore, the final answer is:

    ( 8.0 times 10^{6} )

    If you need further clarification, feel free to ask!

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